ebook,U.S.  Air Force (USAF), World  Spaceflight News, Frederick J.  Shaw Jr., Timothy  Warnock,The Cold War and Beyond: Chronology of the United States Air Force, 1947-1997 - Aviation and Space Milestones of the First Fifty Years of the USAF,Progressive Management,SCIENCE / Astrophysics & Space Science,TECHNOLOGY & ENGINEERING / Aeronautics & Astronautics" />