An Idaho Army National Guard UH-60 Black Hawk helicopter conducts night training operations Sept. 23, with an A-10 Thunderbolt from the 124th Fighter Wing in the background, at Gowen Field in Boise. (Master Sgt. Becky Vanshur/National Guard)
Lt. Grant Kelley, left, and Lt. John R. Morgan III, coordinate anti-submarine warfare operations in the Pacific aboard the guided-missile destroyer Mustin Sept. 21. (MC2 James S. Hong/Navy)
Tech. Sgt. Rory Riggs, 9th Aircraft Maintenance Unit dedicated crew chief, performs a post-flight inspection of a B-1B Lancer's landing gear at Dyess Air Force Base, Texas, Sept. 13. (Staff Sgt. David Owsianka/Air Force)
Marines execute fire and rescue training at the airfield on Marine Corps Base Quantico, Va., Sept. 17. (Pfc. Caden Phillips/Marine Cops)
Army Lt. Col. Chad A. Monroe, Clemson University’s professor of military leadership, conducts a contracting ceremony for Clemson Army ROTC cadets in a light rain at Clemson, S.C., Sept. 16. (Ken Scar/Army)
Soldiers with Bravo Company, 2nd Battalion, 34th Armored Regiment, 1st Armored Brigade Combat Team, 1st Infantry Division, prepare their M1A2 Abrams tanks for a live-fire exercise at Drawsko Pomorskie Training Area, Poland, Sept. 13. (Spc. Max Elliott/Army)
Marines with 10th Marine Regiment, 2nd Marine Division, participate in crowd control training on Marine Corps Base Quantico, Va., Sept. 21. (Tia Dufour/Marine Cops)
Army Staff Sgt. Justin McNeil repacks his parachute at a drop zone in the Netherlands during Exercise Falcon Leap Sept. 16. Falcon Leap is NATO's largest technical airborne exercise, with more than 1,000 paratroopers from 12 different nations. (Sgt. Remi Milslagle/Army National Guard)
Marine Corps Sgt. Kyle O'Neal, left, and Cpl. Luis Rodriguez, both attached to Marine Medium Tiltrotor Squadron 162 (Reinforced), wash down a AV-8B Harrier on the flight deck of the amphibious assault ship Iwo Jima in the Mediterranean Sea, Sept. 22. (MCSN Isaac A. Rodriguez/Navy)
Army Sgt. William Mullins scans the area for simulated opposing forces at Hohenfels Training Area, Germany, Sept. 19, during Saber Junction, an exercise designed to assess readiness and promote interoperability with allied and partner nations. (Sgt. Randis Monroe/Army)