Morning maintainers take charge
Master Sgt. Val Armel, 'Coronet Oak' maintenance expediter, positions a 150-pound halon fire bottle on the Muniz Air National Guard Base, Puerto Rico on April 4, 2012. The halon bottle must be prepositioned as a precautionary measure prior to performing any maintenance on an aircraft. 911th Airlift Wing maintainers are currently deployed to Puerto Rico in support of Air Expeditionary Force 'Coronet Oak' operations. (U.S. Air Force photo by Capt. Shawn M. Walleck/Released)