During World War II, Allied servicemen stationed at Wycliffe Well in Australia's Northern Territory documented repeated UFO sightings in a handwritten journal kept at the local camp. The volume of recorded incidents prompted a formal Royal Australian Air Force investigation.

Wycliffe Well served as a supply station on the Stuart Highway during the war. Servicemen's logbook entries described objects in the night sky with sufficient frequency and consistency that the RAAF dispatched investigators. The journal, which was kept on the restaurant counter of the later roadhouse for public inspection, was eventually stolen. The town has since been designated Australia's unofficial UFO capital based partly on this wartime documentation.