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