The B-2 stealth bombers that dropped massive bunker-buster bombs on Iranian nuclear facilities began returning to their U.S. base in Missouri on Sunday.An Associated Press journalist watched on a clear but windy afternoon as seven of the B-2 Spirit bombers came in for landing at Whiteman Air Force Base.

Seven B-2 stealth bomber planes from the United States’ fleet of 19, all located at Whiteman Air Force Base in Missouri, were involved in dropping “bunker bombs” on nuclear development sites in Iran Saturday night.

Whiteman Air Force Base in Missouri served as the launchpad for a 37-hour mission where B-2 stealth bombers struck Iranian nuclear facilities. Seven B-2 bombers, carrying GBU-57 bombs, flew undetected across the Atlantic,