New B-21 Test Aircraft Heraldry, Barely Visible at Rollout, Revealed Dec. 15, 2022 | By John A. Tirpak The Air Force has disclosed the organizational emblems on the first B-21 bomber, too faint to make out at the aircraft's Dec. 2 rollout. The heraldry is that of Air Force Materiel Command, Global Strike Command, and the 412th Test Wing.