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Photos

Snapshots of what’s happening in the Defense Department.

Deputy Defense Secretary Ashton Carter addresses the audience at the 3rd Annual ARPA-E Energy Innovation Summit in National Harbor, Md., Feb. 29, 2012.

ENERGY ADDRESS

Deputy Defense Secretary Ashton Carter addresses the audience at the 3rd Annual ARPA-E Energy Innovation Summit in National Harbor, Md., Feb. 29, 2012.

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