U.S. Department of Defense no topic Update
U.S. Department of Defense sent this bulletin at 09/20/2013 07:20 AM EDT
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09/20/2013 06:06 AM CDT
When you think about military threats, chances are you think about land, air and sea. These tangible domains have been the source of battles and conflicts for centuries. In the 1960s, we added space to the line-up. The Cold War introduced a new era of space exploration, opening us up to the stars and beyond. […]