This is a Vietnam helicopter deploying troops from the air, ready for action.
This is an American helicopter deploying US troops straight on to the battlefield.
This is another picture showing US troops deploying from helicopters in a hover position.
This shows a US double propellor helicopter, transporting necessary equipment to the battlefield.
This picture shows US troops leaving a landing craft, and stepping on to Vietnamese soil.
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This shows a US tank ready for action.
This shows an American aeroplane dropping a bomb on to a building.
This shows a US bomber attacking Vietnam, in Operation Rolling Thunder.
