Bomber pilots made the 18-hour flight from Missouri to Iran undetected, soaring miles above the Earth and refueling midair before executing the strikes.

Seven bunker buster bombers now sit at Whiteman Air Force base in Knob Noster, Missouri, after a mission on Saturday night in Iran.

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.