Deployable

[…] Germany had 284,500 active personnel in the armed forces with only 7500 readily deployable forces and 6810 committed to peace support operations; France had 259,050 personnel[…]

It played a significant role in the evolution of the deployable recorder, and offers an attractive alternative to "fixed recorders" in a "dual redundancy" installation (discussed later)

For example, helicopters that ditch at sea are often unrecoverable and consequently, despite the systems' higher cost and increased complexity, the Navy needed deployable recorder systems for its helicopters.