delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

delivery of supplies or equipment or personnel by dropping them by parachute from an aircraft

a small parachute or articulated flap to reduce the speed of an aircraft