AC-130J undergoes arctic temperature cold soak
Staff Sgt. Nikolas Kimmel, a crew chief with the 1st Special Operations Aircraft Maintenance Squadron, tail walks an AC-130J Ghostrider gunship at Eglin Air Force Base, Fla., March 20, 2017. Kimmel wing walked the gunship to safely usher the aircraft into the McKinley Climatic Laboratory, a hangar used to test an aircraft’s ability to operate under extreme conditions, such as low temperatures and high winds. (U.S. Air Force photo by Airman 1st Class Dennis Spain)