Maj. Gen. Michael H. Shields, commanding general of U.S. Army Alaska, demonstrates a choke hold on Capt. Michael Domovich, commander, 545th Military Police Company, during a physical training session at the Arctic Warrior Combatives Academy on Joint Base Elmendorf-Richardson, Alaska, March 12, 2015. Shields led the PT session as an opportunity to interact with his company commanders, impart guidance and promote professional development. (U.S. Air Force photo by Alejandro Pena)