Boeing RB-52B Stratofortress 52-8711, first operational B-52, at Strategic Aerospace Museum, Offutt AFB, Nebraska Published on September 29, 2012 in 29 September 1965Full resolution (500 × 375) Next → After decades sitting outside, the Strategic Air Command’s verty first operational Boeing B-52 Stratofortress, RB-52B-15-BO 52-8711, is now in a protected environment.