PEACE is All We NEED - Patch - SNOOPY - 21st TASS - USAF - Vietnam War - M.196
US Air Force - 21st TASS - 21st Tactical Air Support Squadron. st TASS – 21. Aircraft losses while engaged in combat were 18 O-1E, 14 O-1F, 9 O-1G, 16 O-2A, and 1 OV-10A. USAF - United States Air Force.