The Curious Case of Major Logan; The Lost Cosmonaut; Battleship Explosion; Dolphins Secret Weapons

What really happened to a Korean War pilot from the U.S. Air Force who vanished without a trace? Is a bizarre recording evidence that the Russians covered up the macabre death of history's first female cosmonaut? What caused a WW2 battleship to suddenly explode on camera? And, is the U.S. training dolphins... to kill? Veterans Rudy Reyes and Ronnie Adkins break down the evidence behind the most mysterious photos, films, and recordings in battlefield history.