Reuters
FORT IRWIN United States of America 8/7/2008
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Bruce O'Dell, deputy director of Instrumentation and Information Systems, National Training Center Operations Group, stands near a portable communications system powered by a tactical hybrid electric power system at the Army National Training Center in Fort Irwin, California July 31, 2008. The U.S. military has a history of fostering change, from racial integration to development of the Internet. Now, Pentagon officials say their green energy efforts will help America fight global warming. Picture taken July 31, 2008. REUTERS/Fred Prouser (UNITED STATES)