Until the Vietnam conflict, military helicopters were used most often for evacuating wounded troops. In Vietnam, US forces saw an increase in the use of helicopters as troop transports, often flying missions in which they came under heavy fire.
Until the Vietnam conflict, military helicopters were used most often for evacuating wounded troops. In Vietnam, US forces saw an increase in the use of helicopters as troop transports, often flying missions in which they came under heavy fire.
