Sailors scrub the flight deck of the USS John C. Stennis following carrier qualifications in the Pacific Ocean, Sept. 16, 2017, as the aircraft carrier trains for future operations. Navy photo by Petty Officer 3rd Class William Ford
Air Force firefighters extinguish a fire during training at Ramstein Air Base, Germany, Sept. 14, 2017. The training was part of Silver Flag, a 10-day exercise. Air Force photo by Senior Airman Devin Boyer
Army Capt. Jacob C. Osborne examines terrain during a fire system and equipment demonstration at the 7th Army Training Command’s Grafenwoehr Training Area in Germany, Sept. 15, 2017. Army photo by Gertrud Zach
Marines assigned to the 15th Marine Expeditionary Unit fire a howitzer during exercise Alligator Dagger in the U.S. 5th Fleet area of responsibility, Sept. 7, 2017. Marine Corps photo by Cpl. F Cordoba
Air Force Senior Airman Cody Carr and Nnorton, a military working dog, demonstrate Nnorton’s ability to assist in law enforcement scenarios at Moody Air Force Base, Ga., Sept. 15, 2017. Air Force photo by Airman 1st Class Daniel Snider
Soldiers maneuver through a central corridor during training on Fort Irwin, Calif., Sept. 15, 2017. During the exercise, soldiers conducted a wide-area defense with the objective of controlling key terrain. Army photo by Sgt. David Edge
California Air National Guardsmen look out over the waters of the Florida Keys, Sept. 11, 2017, during a reconnaissance and refueling mission to support Hurricane Irma response efforts. Air National Guard photo by Tech. Sgt. Joseph Prouse