Air Despatch, air drop, heavy drop or aerial delivery, makes use of a range of specialist equipment such as containers and platforms (pallets) to get stores and vehicles directly to the point of need, quickly, from the air, exploiting one of the characteristics of air power, immediacy.
Air despatch, or air dropping stores, is yet another of those subjects where its history is chock full of British military and industrial innovation but the present is hanging on by the skin of its teeth due to continued budget erosion and changing priorities.
Everything, and I mean everything you want to know about the history and state of the art of aerial delivery of equipment and logistics. This is a very impressive post. Go read.