U.S. Air Force O-1E Bird Dog liaison aircraft in flight over Tan An, Vietnam during Vietnam War. O-1E taxis on airstrip. Aerial view of O-1E in flight. Observer throws WP (White Phosphorus) marker grenade from window of O-1E in flight. Smoke rises from grenade explosions.
Troops of U.S. special forces near a river in Vietnam. Soldiers carry M-16 rifles and fire from them.
A gas truck and crew at the edge of a runway in Vietnam. United States Marine Sergeant checks papers as a South Vietnamese stands before him. Marine hooks up a hose to gas truck and turns on the fuel pump. A crew member fills gas in helicopter as a long line of HUS-1 helicopters is seen on gas line. Helicopters taxi as they take off from the line. A man in tower talks to pilots of helicopters over a wireless.
United States marines dig fox hole in a compound in Vietnam. A water truck pulls up to water hole. A marine pulls a hose from rear of the truck. He uses a wrench spanner in the connecting hose. Another water truck next to river bank with hose leading down the river, as a bridge is seen across the river.
United States Marines unload marine R4D of supplies in Vietnam. Supplies being placed onto a small truck. A tractor attached to the truck of supplies pulls away from the aircraft.
An American aircraft flies over Soc Trang air base in Vietnam. Helicopters lined up at the parking area as hangars are seen in the background.