Douglas A3DNTA-3B Skywarrior (Bomber)
Created to carry nuclear bombs for the Navy after WWII, the Skywarrior is the heaviest aircraft to land on a carrier and so, was called: The Whale. It was launched by catapult or JATO thrust bottles, but landing on a carrier is tricky. There were no ejection seats, so “A3D” soon stood for All 3 Dead.
The A3D became the USAF B-66 Destroyer with a strengthened structure for higher altitudes and ejection seats in 1956—the same year the A3D joined the Navy. Original public domain image from Flickr