Two A-1H Skyraiders of the 22nd Special Operations Squadron run up their engines on the ramp at Nakhon Phanom Royal Thai Air Force Base. Flying from NKP, the 22 SOS 'Zorro' Skyraiders conducted night interdiction, close air support, and rescue escort missions along the Ho Chi Minh Trail, among the most demanding assignments of the Air Commando mission in Southeast Asia. Project: 218822