Smokey Stover who it is agreed by most 415th members gave the "foo fighters" their name. The phrase foo fighter, also taken from Holman's strip, was used by Allied aircraft pilots in World War II to describe various unidentified flying objects or mysterious aerial phenomena seen in the skies over both the European and Pacific Theaters of Operations. Though foo fighter initially described a type of UFO reported and named by the 415th Squadron, the term was also commonly used to mean any UFO sighting from that period. Foo Fighters is also the name of a rock band, first heard in 1995.
Unidentified flying object are also sometimes used in a military aviation context to describe unidentified targets. Studies have established that the majority of UFO observations are misidentified conventional objects or natural phenomena—most commonly aircraft, balloons, noctilucent clouds, nacreous clouds, or astronomical objects such as meteors or bright planets with a small percentage even being hoaxes. Between 5% and 20% of reported sightings are not explained, and therefore can be classified as unidentified in the strictest sense. While proponents of the extraterrestrial hypothesis (ETH) suggest that these unexplained reports are of alien spacecraft, the null hypothesis cannot be excluded that these reports are simply