Today marks the 50th anniversary of the U.S. Navy Strategic Systems Programs' first underwater launch of a Fleet Ballistic Missile, which was designed and built by Lockheed Martin The Polaris A1 missile successfully launched from the submerged USS George Washington (SSBN-598), the first ballistic missile submarine, July 20, 1960, off the coast of Cape Canaveral, Fla. This successful Navy test proved the capability of launching missiles from the natural protection of the deep sea, securing a strategic advantage to the nation. In 1956, as part of a Navy-industry research and development effort, the first Fleet Ballistic Missile, Polaris A1, became...