U.S. Army Capts. Daniel Hickok, top, the commander

U.S. Army Capts. Daniel Hickok, top, the commander for A Company, 1st Battalion (Airborne), 501st Infantry Regiment, and Preston Roy, the commander of C Company, 725th Brigade Support Battalion (Airborne), practice ground combat techniques at the Arctic Warrior Combatives Academy on Joint Base Elmendorf-Richardson, Alaska, March 12, 2015. Maj. Gen. Michael H. Shields, commanding general of U.S. Army Alaska, led the PT session as an opportunity to interact with his leaders, impart guidance and promote professional development. (U.S. Air Force photo by Alejandro Pena)