U.S. Air Force military working dog “Polo,” assigned to the 332nd Expeditionary Security Forces Squadron, sits on the flightline in front of a HH-60 Pave Hawk, assigned to the 46th Expeditionary Rescue Squadron, before completing helicopter acclimation training at an undisclosed location within the U.S. Central Command area of responsibility, Jan. 23, 2023. Helicopter acclimation training ensures the MWD and their handler are comfortable operating in and around helicopters while in a controlled environment. (U.S. Air Force photo by Staff Sgt. Gerald R. Willis)