150225-N-GO855-144 SAN DIEGO (FEB. 25, 2015) -- -- Explosive Ordnance Disposal (EOD) technicians from EOD Training Group 1's Helicopter Rope Suspension Training (HRST) Master School board a hovering MH-60S Knight Hawk helicopter assigned to Helicopter Sea Combat Squadron (HSC) 8 via a Jacob’s ladder. HSC-8 is assisting EOD Training Group 1 with Kangaroo Duck and cast and recovery training. (U.S. Navy Photo by Mass Communication Specialist 1st Class Charles White/ Released)
The U.S. Coast Guard cutter Sturgeon Bay breaks ice in the shipping channel on the Hudson River on Friday, Feb. 27, 2015, in Catskill, N.Y. With the prolonged cold winter weather, the Coast Guard has been busy clearing shipping lanes. (AP Photo/Mike Groll)
ARLINGTON, VA - MARCH 02: A caisson carrying the remains of U.S. Army Air Forces Tech Sgt. Charles Johnston proceeds to the burial site at Arlington National Cemetery March 2, 2015 in Arlington, Virginia. Johnston, was aboard a B-24D Liberator during World War II that was shot down on April 10, 1944 over Papua New Guinea. Johnston was among a dozen service members whose remains were recently discovered at the site of the aircraft's wreckage. (Photo by Win McNamee/Getty Images)
A landing craft air cushion enters the well deck of the amphibious assault ship USS Essex in the Pacific Ocean, March 1, 2015. The Essex is conducting an integration training exercise to prepare for an upcoming deployment. The landing craft air cushion is assigned to Assault Craft Unit 5. U.S. Navy photo by Petty Officer 2nd Class Christopher B. Janik
A U.S. soldier fires a FGM-148 Javelin rocket during a live-fire exercise on the Grafenwoehr Training Area in Germany, Feb. 27, 2015. The soldiers are assigned to 4th Squadron, 2nd Cavalry Regiment. U.S. Army photo by Sgt. William Tanner
U.S. Marines with Golf Company, 2nd Battalion, 6th Marine Regiment (2/6), conduct a conditioning hike during a Winter Training Exercise at Marine Corps Mountain Warfare Training Center (MCMWTC), Bridgeport, Calif., Jan. 18, 2015. The Marines of 2/6 participated in the exercise at MCMWTC to prepare them for the challenges of operating in cold and mountainous environments. (U.S. Marine Corps photo by Cpl. Jalen D. Phillips, 2nd Marine Division Combat Camera/Released)
Air Force Cadet 1st Class Josh Burres flies the U.S. flag during an aerial demonstration for the opening ceremonies of the Air Force Wounded Warrior 2015 Trials on Nellis Air Force Base, Nev., Feb. 27, 2015. Burres is assigned to the 98th Flying Training Squadron. U.S. Air Force photo by Senior Airman Jordan Castelan
Marines with the 24th Marine Expeditionary Unit post security during a field training exercise at Udairi Range, Kuwait, Feb. 19, 2015. A contingent of MEU Marines is ashore in Kuwait as part of scheduled sustainment training. The 24th MEU is embarked on the ships of the Iwo Jima Amphibious Ready Group and deployed to maintain regional security in the U.S. 5th Fleet Area of Operations. (U.S. Marine Corps photo by Cpl. Todd F. Michalek/Released)
150226-N-JN664-219 MEDITERRANEAN SEA (Feb. 26, 2015) Sailors from the guided-missile destroyer USS Donald Cook (DDG 75) conduct a visit, board, search and seizure exercise with the French navy frigate La Fayette (F 710). Donald Cook is forward-deployed to Rota, Spain, and 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 Mass Communication Specialist 2nd Class Karolina A. Oseguera/Released)