A soldier with the 25th Infantry Division, selected for demonstrating excellence, makes a tandem jump with a member of the U.S. Army Special Operations Command Parachute Demonstration Team, the Black Daggers, Oct. 5 over North Shore, Oahu, Hawaii. (Spc. Jessica Scott/Army)
Airmen assigned to the 90th Security Forces Squadron participate in Crow Creek Challenge 2021 at F.E. Warren Air Force Base, Wyo., Oct. 1. (Airman 1st Class Charles Munoz/Air Force)
Sailors aboard the Royal Australian Navy frigate Ballarat prepare to conduct a fueling-at-sea with the U.S. Navy aircraft carrier Carl Vinson as part of Maritime Partnership Exercise 2021 in the Bay of Bengal Oct. 16. (MCSN Emily Claire Bennett/Navy)
Marine 2nd Lt. Gregory Jones and 2nd Lt. Austin Kaulius, with 6th Platoon, Echo Company, The Basic School, provide security during a field exercise on Marine Corps Base Quantico, Va., Sept. 29. (Lance Cpl. D’Angelo Yanez/Marine Corps)
Senior Airman Clayton Roppa, 911th Aircraft Maintenance Squadron crew chief, inspects the bottom of a C-17 Globemaster III before a flight out of the Pittsburgh International Airport Air Reserve Station, Pa., Oct. 1. (Joshua J. Seybert/Air Force)
Lt. Troy Moens stands officer of the deck watch in the pilot house aboard the littoral combat ship Charleston during operations in the Sulu Sea Oct. 11. (MC2 Ryan M. Breeden/Navy)
Special Forces candidates assigned to the U.S. Army's John F. Kennedy Special Warfare Center and School mount an assault in the final phase of field training known as Robin Sage in central North Carolina Sept. 28. (K. Kassens/Army)
A B-1B Lancer assigned to the 9th Expeditionary Bomb Squadron takes off at RAF Fairford, United Kingdom, Oct. 11 for a Bomber Task Force mission in which it integrated with allied joint terminal attack controllers for weapons training in the Baltic Sea region. (Senior Airman Colin Hollowell/Air Force)
A convoy attached to Combined Anti-Armor Team, 3rd Battalion, 3rd Marines, travels down a dirt road during pre-deployment training at Pohakuloa Training Area, Hawaii, Oct. 5. (Cpl. Brandon Aultman/Marine Corps)
Marines assigned to Weapons Company, Battalion Landing Team 1/1, 11th Marine Expeditionary Unit, fire an M240B mounted on a Joint Light Tactical Vehicle during a live-fire range at Camp Buehring, Kuwait, Oct. 7. (Sgt. Jennessa Davey/Marine Corps)