Official U.S. Air Force Audio:
The 7 October 1965 Edwards Air Force Base,
California, UFO Incident

Source: Nuno Reis (YouTube channel)

This is the audio of the conversation among U.S. Air Force personnel that was recorded during the UFO incident:

https://www.youtube.com/watch?v=xz8LxTCxFro

Transcription of the audio (Tape #AF-1471):
Transcribed and corrected version, 22 February 2008 (NICAP.org):

http://www.nicap.org/docs/edwards_trans_corr.htm

Runways on and near Rogers Dry Lake, at Edwards Air Force Base.

Located in the Mojave Desert, California. (text by Wikipedia) 

(wikimedia.org) (wikimedia.org photo)