U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, salutes during a ceremony welcoming him to Cartegena, Colombia, June 30, 2010. Mullen visited the South American country to reaffirm the commitment between the two countries in their ongoing war against narco-terrorism. DoD photo by U.S. Navy Petty Officer 1st Class Chad J. McNeeley

U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, signs the guest book after touring the Colombian frigate ARC Almirante Padilla in Cartegena, Colombia, June 30, 2010. Mullen visited the South American country to reaffirm the commitment between the two countries in their ongoing war against narco-terrorism. DoD photo by U.S. Navy Petty Officer 1st Class Chad J. McNeeley

U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, greets sailors assigned to the Colombian frigate ARC Almirante Padilla in Cartegena, Colombia, June 30, 2010. Mullen visited the South American country to reaffirm the commitment between the two countries in their ongoing war against narco-terrorism. DoD photo by U.S. Navy Petty Officer 1st Class Chad J. McNeeley

Colombian Gen. Freddy Padilla, chief of defense, right, explains the markings on a seized brick of cocaine to U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, in Cartegena, Colombia, June 30, 2010. Mullen visited the South American country to reaffirm the commitment between the two countries in their ongoing war against narco-terrorism. DoD photo by U.S. Navy Petty Officer 1st Class Chad J. McNeeley

U.S. Navy Ensigns Joseph Davis and Jeremy Sukup, and other sailors and Marines who have not yet crossed the equator, nicknamed "pollywogs," assemble on the flight deck of the USS New Orleans to call for Flipper the dolphin during a traditional ceremony commemorating their first crossing in the Pacific Ocean, June 26, 2010. U.S. Navy photo by Petty Officer 1st Class Brien Aho

U.S. Navy Chief Petty Officer Chris Sherman hands a tray of pizzas to U.S. Marine Corps Master Gunnery Sgt. Erik Jackson while they and other senior enlisted sailors and Marines are aboard the USS New Orleans at sea in the Pacific Ocean, June 26, 2010. Sherman is assigned to Amphibious Squadron 5. U.S. Navy photo by Petty Officer 1st Class Brien Aho

U.S. Navy sailors stand by during a drill on the flight deck of the USS Nimitz, San Diego, June 28, 2010. U.S. Navy photo by Seaman Andrew Jandik

Members of the United Kingdom's Joint Helicopter Force (Afghanistan) remove the rigging from an Mk3 Merlin after an early morning operation to recover the aircraft from a forward operating base. The helo suffered a hard landing recently, and JHF(A) turned to U.S. Marine Heavy Helicopter Squadron 466 and its CH-53E Super Stallions for the lift because the Marines were the only squadron capable of reconfiguring its aircraft for a lift of this magnitude on extremely short notice. DoD photo