US Air Force/Paul Shirk The B-1B bomber "Spectre" retired to become an advanced maintenance trainer at Tinker Air Force Base. The bomber was involved in a May 2018 incident in which a fire led to an ejection seat misfire, after which the crew had to make an emergency landing. The US Air Force disclosed a few days ago that, in early April, the B-1B Lancer 86-109/DY, nicknamed "Spectre," has been retired at Tinker Air Force Base to become an advanced maintenance trainer. The aircraft was towed to an Aircraft Battle Damage Repair training pad at the 76th Maintenance Group's Expeditionary Depot Maintenance Flight on the south side of the base, where it joined a B-52 Stratofortress and a C-135 Stratolifter.