Painting Shows One Of The Last Groups Of U.S. Military Advisors Arriving At Saigon Airport Before Combat Troops Were Sent To Vietnam, September 1964. Airport Was Under Occasional Viet Cong Fire, And The KC-135 MATS Aircraft Wasted No Time In Unloading And Departing. Helicopters Fly Over Viet Cong--Infested Jungle Hemming Airport.