Cessna O-1E 56-2612 United States Air ForceThese are 1 72 scale decals for Cessna O 1E Bird Dog 56 2612, assigned to the 21st Tactical Air Support Squadron (TASS), United States Air Force, in the distinctive Vietnam era camouflage scheme. The 21st TASS was a forward air control unit flying the O 1E in the demanding and perilous FAC mission over Vietnam locating enemy forces, marking targets with white phosphorus rockets, and directing strike aircraft onto their objectives at low altitude and