U.S. Defense Secretary Robert McNamara, left, receives a handshake from west German naval cadet Joachim Von Hassel as he boards the sailing-training ship Gorch Fock at Kiel, Germany on August 2, 1963. The cadet is son of West German defense Minister Kai Uwe Von Hassel, center, who conferred with McNamara aboard the sailing ship. They later announced the U.S. and Germany will jointly undertake development of a battle tank designed for service in the 1970'fs. (AP Photo)