Phoenix Lights

The Phoenix Lights were a series of unexplained objects spotted by thousands of people in the Phoenix skyline on March 13, 1997. The U.S. Air Force has claimed that the lights were flares dropped by a Thunderbolt II, though many, including then-governor Fife Symington, reject this explanation.

UFO's are unidentified flying objects. While some believe UFO's are a type of alien phenomenon, most UFO's are alleged sightings and have been linked to various military crafts and testings. UFO sightings have taken place around the world as early as 1800. A few of the most well-known sightings are the 1947 Roswell Incident in New Mexico and Ex-President Jimmy Carter's sighting in 1969.Cohenufo: Jimmy Carter's UFO Sighting

"As a pilot and a former Air Force Officer, I can definitively say that this craft did not resemble any man-made object I'd ever seen. And it was certainly not high-altitude flares because flares don't fly in formation." -Fife SymingtonCNN: Symington: I Saw a UFO in the Arizona Sky

• YouTube: Phoenix Lights was an alien spacecraft, former AZ Gov. says (Time: 3:07)

• Revver: Phoenix Lights X (Time: 2:22)

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• YouTube: The Phoenix Lights - March 13th 1997 (Time: 5:04)

• AZFamily.com: The Phoenix Lights X

• Google Images: Phoenix Lights