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RESERVE , re·serve / riˈzərv/ • v. [tr.] refrain from using or disposing of (something); retain for future use: roll out half the dough and reserve the other h… Biosphere Reserve , A biosphere reserve is an area of land recognized and preserved for its ecological significance. Ideally biosphere reserves contain undisturbed, natu… BROWNING, ORVILLE HICKMAN , Air Force, U.S. OverviewPredecessors of, 1907–46Since 1947
Air Force, U.S.: Overview The U.S. Air Force, the world's most powerful air arm, was not a… Air Sac , air sac National Guard , NATIONAL GUARD. The modern counterpart of the militia has the longest continuous history of any American military component. The guard's original uni… Nature Reserve , nature reserve An area of land set aside for nature conservation and associated scientific research, usually with strong legal protection against oth…
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