cluster

Definition: (DOD, NATO) 1. Fireworks signal in which a group of stars burns at the same time. 2. Group of bombs released together. A cluster usually consists of fragmentation or incendiary bombs. 3. Two or more parachutes for dropping light or heavy loads. 4. In land mine warfare, a component of a pattern-laid minefield. It may be antitank, antipersonnel or mixed. It consists of one to five mines and no more than one antitank mine. 5. Two or more engines coupled together so as to function as one power unit. 6. In naval mine warfare, a number of mines laid in close proximity to each other as a pattern or coherent unit. They may be of mixed types. 7. In minehunting, designates a group of mine-like contacts.