The air force closed down its UFO desk in 2009, but plans to declassify its archives have been criticised by alien-hunters who point out they said they had released everything before
EXCLUSIVE: A former United States Air Force intelligence expert claims he found reports of a Los Angeles-class submarine seeing an unidentified submerged object in "2007 or 2008" that travelled at 550mph underwater. It supposedly matched the description of the USS Nimitz UFO