Marines with 2nd Air-Naval Gunfire Liason Company and 2nd Radio Battalion, both with II Marine Expeditionary Force Information Group, call in close air support during a training exercise at Camp Lejeune, North Carolina, Dec. 1, 2021. (Sgt. Stephen Campbell/Marine Corps)
A soldier performs maintenance on an Apache helicopter at Marine Corps Outlying Field Atlantic, North Carolina, Nov. 17, 2021. Army Soldiers assigned to Charlie Company, 1st Battalion, 101st Aviation Regiment, 101st Airborne Division out of Fort Campbell, Kentucky, used Marine Corps Air Station Cherry Point’s satellite facilities to improve mission readiness. (Lance Cpl. Jacob Bertram/Marine Corps)
A chief petty officer, assigned to the guided-missile destroyer The Sullivans, greets his family at Naval Station Mayport, Florida, after returning from a seven-month world deployment with the United Kingdom's HMS Queen Elizabeth Carrier Strike Group, Nov. 24, 2021. (MCS2 Austin G. Collins/Navy)
An Air Force explosive ordnance disposal technician responds to a suicide vest simulation during a training exercise at Forward Operating Base Gerber, Kuwait, Nov. 17, 2021. (Senior Airman Michael S. Murphy/Air Force)
Aviation Structural Mechanic 3rd Class Gabriel Lacuesta conducts maintenance on an F-35C Lightning II, assigned to the “Argonauts” of Strike Fighter Squadron 147, in the hangar bay of aircraft carrier Carl Vinson in the Philippine Sea, Dec. 1, 2021. (MCSN Sophia Simons/Navy)
Staff Sgt. Joshua Brydon, 38th Rescue Squadron red team pararescueman, climbs into a Jolly Green II helicopter during a combat search and rescue training mission in the Gulf of Mexico, Nov. 16, 2021. (Staff Sgt. Devin Boyer/Air Force)
Members of the Golden Knights, the Army's parachute demonstration team, conduct a tandem skydive with actor Michael O'Neill in Laurinburg, N.C., Dec. 1, 2021. (Sgt. 1st Class Jon Lopez/Army)
Senior Airman Robert Sleme, 62d Cyber Squadron capabilities development manager, ensures hardware capabilities for classroom training usage on Buckley Space Force Base, Colo., Nov. 29, 2021. (Senior Airman Andrew Garavito/Space Force)
Marines use combat rubber raiding craft to practice maneuvers on the coxswain skills course at White Beach Naval Facility, Okinawa, Japan, Nov. 30, 2021. (MCS2 Jessica Ann Hattell/Navy)
Navy Petty Officer 3rd Class Valerie Goodblanket poses with her military working dog, Army, during a training exercise at Commander, Fleet Activities Yokosuka, Japan, Nov. 24, 2021. (Taylor Curry/Navy)