US Troops in Vietnam

US soldiers walk beside moving tank / several soldiers in tank / military jet zooms across sky / tank rolling along path throwing dust / troops and tank / armed soldiers walking dirt road, followed by a tank / armed soldiers walking through brush / several soldiers stopped in clearing / soldier walking over pile of sticks, pan to entrance to underground bunker or tunnel / CUs sticks and mud on ground used to camouflage underground entrances / pan of landscape / entrance to cave or crevasse, inside are piles of sticks / soldiers in the field preparing an explosive device / soldiers placing explosive in ground / soldiers standing and talking / smoke rising from ground / smoke moving across landscape / armed soldier standing after being in crouched position, flames are seen in the distance / soldiers walking along dusty road. US Troops in Vietnam on January 01, 1969 in Vietnam (Footage by Getty Images)