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Photos

Snapshots of what’s happening in the Defense Department.

Deputy Defense Secretary Ash Carter listens to a brief from professor Seth Teller at the Massachusetts Institute of Technology's Lincoln Laboratory in Lexington, Mass., July 15, 2013.

Deputy Defense Secretary Ash Carter listens to a brief from professor Seth Teller at the Massachusetts Institute of Technology's Lincoln Laboratory in Lexington, Mass., July 15, 2013.

Deputy Defense Secretary Ash Carter listens to a brief from professor Seth Teller at the Massachusetts Institute of Technology's Lincoln Laboratory in Lexington, Mass., July 15, 2013.

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