Marines with Light Armored Reconnaissance Company, 4th Marines, 3d Marine Division, conduct Exercise Iron Sky 21.2 on Wake Island, Nov. 6, 2021. (Lance Cpl. Jonathan Willcox/Marine Corps)
The Air Force Air Demonstration Squadron Thunderbirds perform a high show practice before their final demonstration of the 2021 season on Nov. 10, 2021, at Nellis Air Force Base, Nev. (Tech. Sgt. Nicolas A. Myers/Air Force)
A sailor aboard the destroyer Milius observes a bilateral exercise with Japan Maritime Self-Defense Force ships in the South China Sea on Nov. 16, 2021. (MCSNA RuKiyah Mack/Navy)
Green Berets of 3rd Special Forces Group perform a night time free fall jump at 10,000 feet to aid 3rd Brigade Combat Team, 82nd Airborne Division in a training exercise. (Spc. Garrett Whitfield/Army)
Marine Cpl. Abigail Hermenegildo, an intelligence specialist with Battalion Landing Team 3/5, 31st Marine Expeditionary Unit, crawls up a hill during a Martial Arts Instructor Course culminating event at Camp Hansen, Okinawa, Japan, Nov. 4, 2021. (Sgt. Danny Gonzalez/Marine Corps)
Air Force tactical air control party specialists assigned to the 3rd Air Support Operations Squadron descend after jumping from a helicopter during joint airborne training over Malemute Drop Zone, Joint Base Elmendorf-Richardson, Alaska, Nov. 9, 2021. (Alejandro Peña/Air Force)
Soldiers assigned to 29th Field Artillery Regiment, 3rd Armored Brigade Combat Team, fire during gunnery platoon qualifications, Oct. 27, 2021, at Fort Carson, Colorado. (Capt. Tobias Cukale/Army)
Aviation Ordnanceman 3rd Class Logan Johnson fires an M-2HB machine gun from the fantail of aircraft carrier Carl Vinson during a live-fire exercise in the Philippine Sea on Nov. 17, 2021. (MCSN Sophia Simons/Navy)
Marine Corps aircraft ordnance technicians with Marine Fighter Attack Squadron 112 load AIM-120 missiles onto an F/A-18 Hornet aircraft aboard Marine Corps Air Station Iwakuni, Japan, Nov. 15, 2021. (Sgt. Booker T. Thomas III/Marine Corps)
A sailor attached to a mobile diving salvage unit assembles a flange with an Indonesia armed forces diver during training in Situbondo, Indonesia, Nov. 8, 2021. (Navy)