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