Airmen work on the C-130H Hercules during an isochronal

Airmen work on the C-130H Hercules during an isochronal inspection on Feb. 14, 2018, at the 179th Airlift Wing, Mansfield, Ohio. The 179th Maintenance Group is performing a full inspection of the recently acquired aircraft from Yokota Air Base, Japan, an aircraft historically known throughout the U.S. Air Force as "Damien" for its unique tail numbers of 666. (U.S. Air National Guard photo by Tech. Sgt. Joe Harwood\Released)