U.S. paratroopers assigned to 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade alongside Soldiers from Estonia, Czech Republic and Germany conduct an assault in an urban environment during training at the 7th Army Joint Multinational Training Command's Grafenwoehr Training Area, Germany, Nov. 19, 2014. The training is part of a week-long training exercise hosted by the squadron, designed to teach leaders the planning and execution of time-sensitive operations, and is supported by aviation assets of the 12th Combat Aviation Brigade. (U.S. Army photo by Visual Information Specialist Gertrud Zach/released)
Marines attempt to break through a wall of Bulgarian and Serbian soldiers during the riot control course of Platinum Wolf 15 at South Base, Serbia Nov. 19. Platinum Wolf is a peacekeeping operations training exercise focused on non-lethal systems and basic infantry skills. Units train together as coalitions, developing and improving proficiency of peacekeeping procedures like crowd and riot control. Forces from Bulgaria, Croatia, Macedonia, Romania, Serbia and the U.S. will be participating in the two week training. (U.S. Marine Corps photo by Sgt. Derrick Irions)
Dragoon troopers assigned to Charlie Battery, Field Artillery Squadron, 2nd Cavalry Regiment fire an M777 howitzer during the Field Artillery Squadron Range at Grafenwoehr Training Area located near Rose Barracks, Germany, Nov. 19, 2014.
A U.S. Marine with the reconnaissance detachment, 11th Marine Expeditionary Unit (MEU), conducts close-quarters tactics training, Nov. 10. The 11th MEU is deployed with the Makin Island Amphibious Ready Group as a theater reserve and crisis response force throughout U.S. Central Command and the U.S. 5th Fleet area of responsibility. (U.S. Marine Corps photo by Cpl. Evan R. White/ Released)
The caisson carrying the remains of Medal of Honor Soldier, Army Pvt. Miguel A. Vera, from the Korean War, proceeds during burial services at Arlington National Cemetery in Arlington, Va., Thursday, Nov. 20, 2014. Vera was among the 24 Army veterans awarded the Medal of Honor by President Barack Obama during a ceremony at the White House on March 18, 2014, for conspicuous gallantry in recognition of their valor during major combat operations in World War II, the Korean War and the Vietnam War. (AP Photo/Manuel Balce Ceneta)
In this photo released by the New York National Guard, New York Army National Guard dump trucks line up on West Seneca Street, Thursday, Nov. 20, 2014, in Buffalo, N.Y., to help clear snow from the city. A new blast of lake-effect snow pounded Buffalo for a third day piling more misery on a city already buried by an epic, deadly snowfall that could leave some areas with nearly 8 feet of snow on the ground when it's all done. (AP Photo/New York National Guard, Maj. Mark Frank)
141119-N-IP531-869 WATERS SOUTH OF JAPAN (Nov. 19, 2014) Navy and Japan Maritime Self-Defense Force ships transit in formation at the conclusion of Keen Sword 15, a joint/bilateral field training exercise involving U.S. military and the Japan Self-Defense Force to increase combat readiness and interoperability. (U.S. Navy photo by Mass Communication Specialist 3rd Class Chris Cavagnaro/Released)
Soldiers provide each other with a writing surface during the U.S. Army Alaska Small Arms Competition on Joint Base Elmendorf-Richardson in Alaska, Nov. 19, 2014. The soldiers are assigned to the 59th Signal Battalion. U.S. Army photo by Brian Ragin
U.S. Navy Petty Officer 2nd Class Robert Titus signals an MH-60S Seahawk helicopter from the aft missile deck of the guided-missile destroyer USS Halsey during a replenishment in the waters south Japan, Nov. 13, 2014. U.S. Navy photo by Petty Officer 3rd Class Bradley J. Gee
Military personnel hold up a large flag during the national anthem before an NFL football game between the Oakland Raiders and the Kansas City Chiefs in Oakland, Calif., Thursday, Nov. 20, 2014. (AP Photo/Jeff Chiu)