High Quality Content by WIKIPEDIA articles! The Douglas B-66 Destroyer was a U.S. Air Force Tactical Air Command light bomber based on the United States Navy`s A-3 Skywarrior. It was intended to replace the Douglas A-26 Invader. An RB-66 photo-reconnaissance version was ordered simultaneously. The USAF B-66 retained the three-man crew from the USN A-3, but also incorporated ejection seats that the USN variant lacked.