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America countries Air Force |
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Thursday, 04 August 2011 13:11 |
| United
States AIR Force (USAF) Aircrafts and equipment |
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| The
United States Air Force (USAF) is the aerial warfare
service branch of the United States Armed Forces and
one of the American uniformed services. Initially
part of the United States Army, the USAF was formed
as a separate branch of the military on September
18, 1947 under the National Security Act of 1947. |
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