Soldiers from Battery A, 2nd Battalion, 3rd Field Artillery Regiment, fire an M-777 howitzer during Operation Hustler Trough on Nov. 4, 2014, at Fort Bliss, Texas. Battery A was firing for a joint operation with A-10 Warthog Thunderbolt II pilots from Nellis Air Force Base, Nev. (Kulani Lakanaria/U.S. Army)

Chief Warrant Officer 2 William Luke, pilot-in-command for Company C, 1st Battalion, 501st Aviation Regiment, inspects an AH-64 helicopter at Fort Bliss, Texas, Nov. 5, 2014, in preparation for the Hustler Trough joint exercise with 7th Air Support Operations Squadron. (Alexander Neely/U.S. Army)

A grieving mother from the Gold Star Mothers Club holds back tears after pausing in front of Auburn City Hall during the 49th Annual Veterans Day Parade and Observance in Auburn, Wash., Nov. 8, 2014. More than 20,000 people showed their support for servicemembers by lining the streets waving flags and cheering at the biggest Veterans Day parade west of the Mississippi. (Daniel Schroeder/U.S. Army)

A V-22 Osprey departs as a recon team, part of the Joint Forces Command, United Nations Military, and River Gee city officials prepares to locate sites for army mobile labs Nov. 10, 2014, in River Gee, Liberia. United Assistance is a Department of Defense operation in Liberia to provide logistics, training and engineering support to U.S. Agency for International Development-led efforts to contain the Ebola virus outbreak in western Africa. (Rashene Mincy/U.S. Army)

Members of Task Force Lancer salute the colors during the closing ceremony of Exercise Orient Shield 2014. This exercise highlights the development and refinement of the Japan Ground Self-Defense Force and the U.S. Army in bilateral planning and coordination. (Kenneth Coleman/U.S. Army)

The main front of the Puna lava flow closest to the town of Pahoa has stalled approximately 480 feet away from Pahoa Village Road but remains active Nov. 7, 2014. Katie Gray/U.S. Army (Katie Gray/U.S. Army)

U.S Army M2 Bradley Fighting Vehicles of the 1st Battalion, 4th Infantry Regiment maneuver on enemy forces during exercise Combined Resolve III at the Joint Multinational Readiness Center in Hohenfels, Germany, Nov. 3, 2014. Combined Resolve III is a multinational exercise, which includes more than 4,000 participants from NATO and partner nations. Courtney Hubbard/U.S. Army (Courtney Hubbard/U.S. Army)

Staff Sgt. Darrell Stamps talks to a platoon of Estonian Conscripts about the inner workings of the M Bradley Fighting Vehicle during an exhibition of U.S. military weapons, equipment, and vehicles, Nov. 7, 2014. Stamps is a company master gunner with Company B, 2nd Battalion, 8th Cavalry Regiment, 1st Brigade Combat Team, 1st Cavalry Division from Fort Hood, Texas. (Timothy Koster/U.S. Army)

Soldiers from 2nd Battalion, 8th Cavalry Regiment, 1st Brigade Combat Team, 1st Cavalry Division fired shots from M1A1 Abrams tanks at Adazi Training Area, Latvia, Nov. 6, 2014. They fired one shot for each of the Baltic states, and then a culminating shot with all three tanks firing together as a symbol of solidarity and partnership with the NATO countries. Angela Parady/U.S. Army (Angela Parady/U.S. Army)

Sgt. Maylin C. Matute prepares a dessert for the 2014 Fort Bragg Chef of the Year Competition at the Culinary Arts Training Center at Fort Bragg, N.C., Nov. 5, 2014. Matute is a food service specialist assigned to 407th Brigade Support Battalion, 2nd Brigade Combat Team, 82nd Airborne Division. (Eliverto Larios/U.S. Army)

A U.S. soldier with the 1st Battalion, 4th Infantry Regiment takes cover in the Hohenfels Training Area while participating as Opposing Forces during exercise Combined Resolve III, Nov. 6, 2014. Combined Resolve III is a U.S. Army Europe-directed multinational exercise at the Grafenwoehr and Hohenfels Training Areas, including more than 4,000 participants from NATO and partner nations. (Markus Rauchenberger/U.S. Army)