Newly commissioned officers from the Naval Academy Class of 2007 celebrate the conclusion of their graduation and commissioning ceremony with the traditional "hat toss" at Navy-Marine Corps Memorial Stadium. The Secretary of Defense, the Honorable Dr. Robert M. Gates, delivered the commencement address to the Navy and Marine Corps' 1,028 newest ensigns and second lieutenants. (U.S. Navy photo by Seaman Apprentice Matthew Ebarb)