Abstract: A release unit for launching countermeasures from a vehicle. A first module in the form of a central body mounted on the vehicle. The first module includes at least three openings: a first opening facing the vehicle when the first module is mounted on the vehicle, and second and third openings directed obliquely with respect to the first opening in substantially opposite directions from each other. The directions the second and third openings face are separated by 60.degree.-120.degree.. A second module and a third module in the form of release cassettes are received respectively by the second and third openings and removably fixed by with a locking member. A plurality of countermeasures are launched from the release units. Each release cassette includes a plurality of countermeasure openings for receiving the countermeasures. The countermeasure openings in each cassette are aimed substantially in the same direction.

Abstract: A device for indicating the type of ammunition provided in or on the ammunition unit comprises a distinguishable specific identification allocated for each type of ammunition and made up of electronic device with different electrical characteristics depending on the type of ammunition, including a status-changing element which can change between at least two statuses having different electrical characteristics. A control circuit is provided for controlling change-over of the status-changing element between the at least two statuses having different electrical characteristics, the process of the status changes controlled by the control circuit being indicative of the type of ammunition contained in the ammunition unit.