acoubouy Used by military ordnance, a listening device dropped by parachute onto land and water, used to detect sounds of enemy movements and transmit them to orbiting aircraft or land stations. Found on http://www.wordinfo.info/words/index/info/view_unit/2370/
acoubouy Used by military ordnance, a listening device dropped by parachute onto land and water, used to detect sounds of enemy movements and transmit them to orbiting aircraft or land stations.