U.S. Air Force Senior Airman Marcus Moloney, a loadmaster assigned to the 211th Rescue Squadron, Alaska Air National Guard, conducts a preflight check on a HC-130J Combat King II at Joint Base Elmendorf-Richardson, Alaska, Jan. 21, 2021, during Operation Noble Defender. Operation Noble Defender is a North American Aerospace Defense Command air-defense operation which allows dynamic training for operational readiness in an arctic environment.