Airdrop is a method of air delivery in which items including weapons, equipment, humanitarian aid or leaflets are delivered by military or civilian aircraft without landing. Developed during World War II to resupply otherwise inaccessible troops, they are themselves usually airborne troops, airdrop

The airdrop method refers to the method by which the load leaves the aircraft. There are currently three main types of airdrops used in military operations.• Automatic extraction airdrops use extraction parachutes to pull the load out of the tail of the aircraft: the parachu

A storage tank is a container that holds liquids, compressed gases (gas tanks; or "pressure vessels" as they are called in the United States and is not usually marked or regulated as a storage tank), or media used for short- or long-term storage of heat or cold.[1] The term can be used for both rese