The Northrop Grumman E-2 Hawkeye is an American all-weather, carrier-capable tactical airborne early warning (AEW) aircraft.
16*AN/CRT-1A Sonobuoy*Illustration of AN/CRT-1A Sonobuoy*"Mini-Jezebel - A giant reduction in Sonobuoy size" - a 1977 "Flight International" advertisement for the Mini-Jezebel sonobuoy