Sentry dogs arrive at Bien Hoa Air Base in Vietnam. Sign in Vietnamese atop guard house at main gate of Bien Hoa Air Base. Guards near the main gate. Truck trailer loaded with sentry dogs in cages. Handler takes dog from the cage on trailer and puts him on the ground. He walks toward sentry dog area. Sign: Off-Limits, Sentry Dog Area, Danger. Handler with a dog enters sentry dog area. He hitches dog to post of small shelter and replaces the dog's collar.
Flight line activities at Bien Hoa Air Base in Vietnam. Parked A-1Es on steel matting. U.S. UH-1Bs and UH-1Ds take off from dirt field. Helicopters stir up a cloud of dust.
Flight line activities at Bien Hoa Air Base in Vietnam. Ordnance crew uploads frag bombs onto A-1E pylon.
Aerial view of the base camp at 9th signal Battalion in Vietnam. Shipyard facility with landing crafts at the dock. Swimming pool in the base camp. Head Quarters and tactical operation center. 9th signal Battalion area and artillery emplacement. Aerial view of the base camp.
OH-6A helicopters fly over jungle terrain in Vietnam. Smoke grenades mark clearing. Air to air view of two OH-6A helicopters flying low over terrain. View of a jungle from speeding low flying helicopter. Smoke from signal grenade. Air to air view of AH-1G helicopters in flight and attacked area marked by smoke grenades. Air to air view of UH-1D helicopter in flight.
Aerial views of Fourth Infantry Division main base camp (Camp Enari) and airfield. Three UH-1D helicopters in flight. Aerial view of the main base camp. Flying over AH-1G in revetment. Soldiers walk away from UH-1D helicopters at the camp. (Vietnam War period).