President Barack Obama walks with Marine Gen. Joseph Dunford Jr., his nominee to be the next chairman of the Joint Chiefs of Staff, after speaking in the Rose Garden of the White House in Washington, Tuesday, May 5, 2015. Obama chose the widely respected, combat-hardened commander who led the Afghanistan war coalition during a key transitional period during 2013-2014 to succeed Army Gen. Martin Dempsey. Walking behind them is Vice President Joe Biden. (AP Photo/Pablo Martinez Monsivais)Thunderbirds maintenance professionals don their hearing protection during the Big Country Airfest May 2, 2015, at Dyess Air Force Base, Texas. (U.S. Air Force Photo by Senior Airman Rachel Maxwell)David Duval, second from left, surprises Erica Scott with her husband Yeoman 3rd Class Charles Scott, Tuesday, May 5, 2015 in Ponte Vedra Beach, Fla.. Charles Scott was flown in from the USS Iwo Jima to be with his wife who is expecting their child next week. PGA commisioner Tim Fincem, left to right, David Duval, Sgt. Major Bryan Battaglia, Erica Scott, Charles Scott and Admiral Phil Davidson. (Bruce Lipsky/The Florida Times-Union via AP) The guided-missile destroyer USS Jason Dunham enters the Baltic Sea, May 4, 2015. The Jason Dunham is conducting naval operations in the U.S. 6th Fleet area of responsibility in support of U.S. national security interests in Europe.
U.S. Navy photo by Petty Officer 3rd Class Weston Jones Petty Officer 3rd Class Daniel Wilson, an aviation survival technician at Coast Guard Air Station Astoria, is lowered from the helicopter during a cliffside rescue training exercise near Ilwaco, Wash., April 8, 2015. In the background, several beachgoers observe the training until the last helicopter leaves. (U.S. Coast Guard photo by Petty Officer 3rd Class Jonathan Klingenberg)Cpl. Jennifer Arnett, combat engineer, Engineer Platoon, Headquarters and Service Company, Ground Combat Element Integrated Task Force, climbs a 40-foot cliff face during a pilot Marine Corps Operational Test and Evaluation Activity assessment aboard Marine Corps Mountain Warfare Training Center Bridgeport, California, May 3, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. (U.S. Marine Corps photo by Cpl. Paul S. Martinez/Released)Sam, military working dog, is awarded the Meritorious Service Medal during a retirement ceremony on Joint Base Andrews, Md., May 1, 2015. After the ceremony, Sam was collected by one of his previous handlers, who traveled from Germany to retrieve him. (U.S. Air Force photo/ Senior Airman Mariah Haddenham)150504-N-FQ994-605
MEDITERRANEAN SEA (May 4, 2015) Sailors assigned to guided-missile destroyer USS Ross (DDG 71) navigate around a sea turtle while aboard a rigid-hull inflatable boat. Ross is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 3rd Class Robert S. Price/Released)150502-N-OT964-276 PASCAGOULA, Miss. (May 2, 2015) Ship sponsor Laura Stavridis ceremoniously breaks a bottle of champagne on the bow during the christening ceremony for the future guided missile destroyer USS John Finn (DDG 113). The ship is named after the Medal Of Honor Recipient and prior Aviation Ordnanceman Chief John Finn who survived and fought during the attack on Pearl Harbor. (U.S. Navy photo by Mass Communication Specialist 1st Class Martin L. Carey/Released)