U.S. Air Force Senior Master Sgt. Richard Pantoja, a 3rd Maintenance Squadron accessories and propulsion flight chief, expands a tent as part of a solar-powered integrated structure during Polar Force 22-4 at Joint Base Elmendorf-Richardson, Alaska, March 31, 2022. Polar Force 22-4 is a local training exercise primarily focused on Agile Combat Employment and builds on other regularly scheduled exercises such as Northern Edge, Pacific Iron, and Red Flag to support the mission of the U.S. Pacific Air Forces. (U.S. Air Force photo by Airman 1st Class Andrew Britten)