Chuck Yeager, the X-1 & an Unidentified Flying Object
(The History Channel)
The UFO was caught on film while the U.S. Air Force filmed the Bell
X-1 experimental rocket airplane sometime in 1947:
http://keyholepublishing.com/projectprove/Arts/X-1/x-1.html
Chuck Yeager, the famous X-1 test pilot, can also be seen in this footage.
The UFO footage was found on a History Channel aviation documentary film.
This UFO report comes from the late Jeff Challender’s Project P.R.O.V.E. website.
Chuck Yeager in 1947 with the U.S. Air Force X-1 experimental rocket airplane (campsmoke.fmallen.com photo)
