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Declassified U.S. Nuclear Test Film #72

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Uploaded on Sep 24, 2007

0800072 - Developing and Producing the B-61 - 1970's - 26:29 - Color - The B-61 thermonuclear bomb, first produced in 1966, has developed into an extremely flexible weapon. Its many different modifications has made it able to fill the multipurpose needs of the military. Major modifications were made to the B-61 in 1966, 1975, 1977, 1979, and 1991.

Designed by the Department of Energys Los Alamos National Laboratory in northern New Mexico, the lightweight bomb could be delivered by the Air Force, Navy and NATO planes at very high altitudes and at speeds above Mach 2. The 141.6-inch long, 13.3-inch diameter bomb averaged approximately 750 pounds, but actual weight varied with each modification.

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