Paratroopers from 3rd Battalion, 509th Parachute Infantry

Paratroopers from 3rd Battalion, 509th Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, drop into the Donnelley Training Area, Alaska, Feb. 8, 2021. Conducted at -21° F, the jump kicked off exercise Arctic Warrior 21, which brings together units from the U.S. Army, U.S. Air Force and Canadian air force to test their collective ability to rapidly prepare and deploy forces for operations in the extreme cold. (Photo by Eve A. Baker, U.S. Army Garrison Alaska, Fort Wainwright Public Affairs)