Biden says sub he commissioned will enhance US security


              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden attends a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., salutes during a commissioning ceremony for the USS Delaware, a nuclear attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Sen. Tom Carper, D-Del., greets U.S. Navy crew members of the USS Delaware, a nuclear attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden returns a salute as he stands with first lady Jill Biden and Cmdr. Matthew Horton, Commanding Officer, USS Delaware, before they board the USS Delaware, Virginia-class fast-attack submarine, for a tour at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden and first lady Jill Biden stand during for the presentation of the colors during a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              The flag of the president of the United States is flown on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              Members of the U.S. Navy stand on the USS Delaware, Virginia-class fast-attack submarine, during a commissioning ceremony at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden, first lady Jill Biden and United States Secretary of the Navy Carlos Del Toro, stand during a 21-cannon salute at a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden speaks at a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden salutes first lady Jill Biden after he introduced her to speak during a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              First lady Jill Biden speaks at a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              People attend a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
            
              President Joe Biden is escorted by Cmdr. Matthew Horton, Commanding Officer, USS Delaware, as he arrive to attend a commissioning ceremony for USS Delaware, Virginia-class fast-attack submarine, at the Port of Wilmington in Wilmington, Del., Saturday, April 2, 2022. (AP Photo/Carolyn Kaster)
Biden says sub he commissioned will enhance US security