A front view of HK-1, Hughes Flying Boat, the world's largest plane, which successfully completed its first flight, shown in the photo. The eight 3,000 horsepower engine lifted the craft from the waters of Los Angeles Harbor with Hughes at the controls. The huge wings, with a span of 320 feet carried the aircraft for one mile at a 100-mile per hour speed before Hughes put it back on the water.
Description provided with image: "Temporary customs operation set up at Hughes Executive Terminal in Las Vegas In San Francisco by Scandinavian Airlines to process foreign passengers from 128 countries, here to attend the American Mining Congress. Las Vegas was designated an International Port of Entry in 1972.