Air Force and Space Digest UFOs are comets and or balloons
UFO articles from the US Department of the Navy's Office of Naval Research's "Research Reviews" and the US "Air Force and Space Digest". The US "Air Force and Space Digest: The Magazine of Aerospace Power" was published by the Air Force Association. The November 1959 issue of that publication included an article by Donald H Robey, "a young physicist associated with the Convair-Astronautics Division of General Dynamics". The article suggested that flying saucers "may be the remnants of space-born icebergs which many scientists now believe are the stuff of those eerie visitors from the void comets". "Research Reviews" was published by the US Department of the Navy's Office of Naval Research. An issue from February 1957 by Urner Liddel, the head of the Nuclear Physics Branch of the ONR. UFO reports occasionally "served a rather useful purpose, for they have helped us to locate valuable equipment flown by the la...