President Donald Trump's departure for Tokyo on Friday kicks off a summer of global jet-setting that takes him to five separate countries -- and confines him to the presidential aircraft for more than 80 hours flying overseas.

Why do they call it Air Force One? Who was the only president to fly on a commercial flight? These answers and more for your next trivia game.

Britain's Prince Harry will join Queen Elizabeth II at a private lunch with Donald Trump and his wife Melania next month, CNN has learned.

You would expect the very first Air Force One to be preserved in a museum somewhere. But it isn't. It's literally baking on a patch of land in the Arizona desert.

The current look of Air Force One is a true design classic. It dates back to 1962, and is the result of collaboration between JFK and Raymond Loewy, one of the fathers of industrial design.