ANNAPOLIS, MD - MAY 27: A female U.S. Naval Academy Marine graduate holds up her right hand before taking the oath and receiving her diploma during graduation ceremonies at the U.S. Naval Academy May... more 
ANNAPOLIS, MD - MAY 27: A female U.S. Naval Academy Marine graduate holds up her right hand before taking the oath and receiving her diploma during graduation ceremonies at the U.S. Naval Academy May 27, 2011 in Annapolis, Maryland. U.S. Secretary of Defense Robert Gates gave his last commencement speech to this year's graduating class. (Photo by Mark Wilson/Getty Images) less 
1 / 23
Getty Images | Photo By Mark Wilson / Getty Images
Fri, May 27, 2011 11:19 AM EDT