Sea Control Squadron 31 (VS-31) Topcats was a United States Navy anti-submarine warfare squadron.
An S-3A of VS-31 assigned to CVW-7 aboard USS Dwight D. Eisenhower (CVN-69) in 1987.
The Lockheed S-3 Viking is a four-crew, twin-engine turbofan-powered jet aircraft designed and produced by the American aerospace manufacturer Lockheed Corporation. Because of its characteristic sound, it was nicknamed the "War Hoover" after the vacuum cleaner brand.
Lockheed S-3 Viking
YS-3A prototype
S-3 escape system testing
S-3A with extended MAD-sensor