Prepping aircraft for paint jobs, in-depth inspections
Airman Drew Thurau, an 86th Maintenance Squadron crew chief, sprays water on the wing of a C-130J Super Hercules during a pre-isochronal inspection wash Jan. 4, 2016, at Ramstein Air Base, Germany. An ISO inspection is a scheduled, extensive examination of an aircraft to maintain its functionality and perform preventive maintenance. (U.S. Air Force photo/Staff Sgt. Timothy Moore)