Long, fraught timeline of tensions over Iran nuclear program

FILE - This image taken from video footage aired by Iranian state television March 8, 2022, shows the launch of a rocket by Iran's Revolutionary Guard carrying a Noor-2 reconnaissance satellite in the northeastern Shahroud Desert of Iran as U.S. intelligence agencies warn Tehran could seek 90% enrichment if negotiations to restore Iran’s nuclear deal fail. (Iranian state television via AP, File)