The airport was shut for two hours on Monday, after the World War II plane came in at 15.30 GMT.

BBC: Spitfire

The U.S. Fish and Wildlife Service says brown tree snakes have wiped out most of Guam's native populations of forest birds since being accidentally introduced to the island after World War II, probably after they stowed away on a ship or plane from their native range in Australia, Papua New Guinea and the Solomon Islands.

CNN: Deadly mice to rain down on Guam snakes

"During the World War II, thousands of aircraft carried two pigeons in case they the plane was downed so they could send messages, " he said.

BBC: NEWS | UK | Phone masts 'confusing' pigeons

During World War II, America's P51 Mustang fighter, a single-engine prop plane, creamed the first fleet of German combat jets, the Messerschmitt 262.

FORBES: Flying Eclipse's Pocket Jet