A marine assigned to the 3rd Reconnaissance Battalion, 3rd Marine Division, conducts a high altitude, low opening parachute jump during training at Yokota Air Base, Japan, Dec. 13, 2021. (Yasuo Osakabe/Air Force)
Navy Petty Officer 2nd Class Joseph Aubrey swims laps during search and rescue training at Andersen Air Force Base, Guam, Dec. 10, 2021. (MCS3 Andrew Langholf/Navy)
A soldier with 1st Special Forces Group (Airborne) crawls during the obstacle course portion of a competition on Joint Base Lewis McCord, Wash., Dec. 7, 2021. (Spc. Thoman Johnson/Army)
Airmen assigned to the 36th Airlift Squadron, Yokota Air Base, Japan, watch as bundles fly off an aircraft during Operation Christmas Drop at Andersen Air Force Base, Guam, Dec. 10, 2021. Over the course of 10 days, crews will airdrop donated food, clothing, educational materials, and tools to 55 islanders throughout the South-Eastern Pacific, including the Federated States of Micronesia, and the Republic of Palau. (Senior Airman Aubree Owens/Air Force)
An MH-60S Sea Hawk helicopter, attached to the “Blackjacks” of Helicopter Sea Combat Squadron 21, participates in an exercise with sailors aboard littoral combat ship Charleston in the Philippine Sea, Dec. 12, 2021. (MCS2 Ryan M. Breeden/Navy)
Amphibious assault ship Kearsarge conducts air-cushioned landing craft operations in the Atlantic Ocean, Dec. 1, 2021. (Cpl. Yvonna Guyette/Marine Corps)
An F-35A Lightning II pilot assigned to the 134th Fighter Squadron, Vermont Air National Guard, prepares to depart during a routine night training mission, Vermont Air National Guard Base, South Burlington, Vt., Nov. 16, 2021. (Julie M. Paroline/Air National Guard)
Navy Petty Officer 3rd Class Jake Puckett, assigned to the “Wildcards” of Helicopter Sea Combat Squadron 23, jumps out of an MH-60S Seahawk helicopter during a search and rescue exercise in Guam, Dec. 13, 2021. (MCS3 Andrew Langholf/Navy)
A marine assigned to the 11th Marine Expeditionary Unit fast-ropes from an MV-22B Osprey at Camp Buehring, Kuwait, Nov. 28, 2021. (Sgt. Jennessa Davey/Marine Corps)
Spc. Jesse Marquardt, an infantryman assigned to 365th Engineer Battalion, sets up a projector and speaker set in a classroom at Fort McCoy, Wisconsin, Dec. 7, 2021, as part of Operation Allies Welcome. Task Force McCoy soldiers installed the projectors and speakers into classrooms to aid Afghan evacuees during their English classes. (Pfc. Caitlin Wilkins/Army)