Share This Article 1. In 1880 he was the richest man in America. John J. Astor William Vanderbilt John Rockefeller Jay Gould 2. During Vietnam, Military Occupational Specialty 94B was this. Truck driver Military police Parachute packer Food service specialist 3. The Big Three Allied leaders of World War Two first met all together at this city. Quebec Casablanca Tehran Yalta Loading …