Defense Secretary Robert M. Gates and U.S. Pacific Command Commander U.S. Navy Adm. Tim Keating conduct a press conference in Honolulu, May 31, 2007. Defense Dept. photo by Cherie A. Thurlby

Defense Secretary Robert M. Gates addresses the men and women of U.S. Pacific Command headquarters, in Honolulu, May 31, 2007. Defense Dept. photo by Cherie A. Thurlby

U.S. Army Spc. Louis Pendleton checks a driver's vehicle paperwork during a vehicle checkpoint in Kllokot, Kosovo, May 29, 2007. Pendleton is assigned to the 29th Infantry Division. U.S. Army photo by Spc. David House

A U.S. Navy sailor waves a landing craft air cushion ashore at Onslow Beach in North Carolina May 27, 2007. U.S. Navy photo by Seaman Ash Severe

Secretary of Defense Robert M. Gates delivers the commencement speech during the U.S. Air Force Academy graduation ceremony, Colorado Springs, Colo., May 30, 2007. Defense Dept. photo by Cherie A. Thurlby

Secretary of Defense Robert M. Gates meets with cadets prior to the start of the U.S. Air Force Academy graduation ceremony, Colorado Springs, Colo., May 30, 2007. Defense Dept. photo by Cherie A. Thurlby

U.S. Air Force Academy graduates throw their hats in the air as the Thunderbirds fly overhead signaling the end of the Air Force Academy graduation ceremony, Colorado Springs, Colo., May 30, 2007. Defense Dept. photo by Cherie A. Thurlby

Secretary of Defense Robert M. Gates gives the commencement address to the class of 2007 at the Air Force Academy, Colorado Springs, Colo., May 30, 2007.