UFO Book Chapter: 

“THE UFO EVIDENCE:
SECTION III: Air Force Observations”,

1964 (National Investigations Committee on Aerial Phenomena, Washington, D.C.)

Source: NICAP.org

Quote from the chapter:

“Before the issuance of Air Force Regulation 200-2 in 1953 (see extracts), a large number of significant UFO sightings by active Air Force personnel were made public.”

http://www.nicap.org/ufoe/section_3.htm

“AIR FORCE UFO SIGHTINGS” 
(date range: 29 August 1942-20 May 1961):

http://www.nicap.org/ufoe/ufoe19_20_21_22.htm

(abovetopsecret.com image)

UFO News Article:

“Special Cameras May Help Solve Saucer Mystery”,

30 July 1952 (Spokane Daily Chronicle, Washington)

The article (includes comments by U.S. Air Force Major General John A. Samford) reports on the July 1952 Washington, D.C. UFO incidents:

http://news.google.com/newspapers?id=qfJXAAAAIBAJ&sjid=ZPYDAAAAIBAJ&pg=4770,5113802

In this issue, the Spokane Daily Chronicle also presents five other UFO articles.

In the article, “Plane Attack Reported,” U.S. Air Force Captain Charles Tracy (former Assistant Wing Operations Officer of the 117th Tactical Reconnaissance Wing, Lawson Air Force Base, Columbus, Georgia) reveals that a veteran USAF pilot flying a F-51 fighter jet was ‘attacked repeatedly by a flying saucer’ in the summer of 1951. The incident occurred over Augusta, Georgia.

The pilot was Lieutenant George Kinman.

Earlier post on George Kinman’s UFO encounter:

ufo-news-articles-is-it-real.html

Major General John A. Samford, U.S. Air Force

(google.com image)