Way back in the 1980s, when I was a young naval officer, the Global Positioning System was still in its experimental stage. If you were in the middle of the ocean on a cloudy night, there was pretty ...
On July 6, 1920, US Navy seaplane pilots used a radio compass to locate and navigate their way to a ship 100 miles offshore, marking the first use of radio navigation by an aircraft. Prior to this, ...