Master Sgt. Mike Bollenbacher, 122nd Aircraft Maintenance

Master Sgt. Mike Bollenbacher, 122nd Aircraft Maintenance Flight Chief, 122nd Fighter Wing, Fort Wayne, Ind., signals to the aircraft Crew Chief to have the pilot close wing flaps on an A-10C Thunderbolt II aircraft, May 13, 2016, at the Indiana Air National Guard Base, Fort Wayne, Ind. Airmen were checking the hydraulic function of the wing flaps while taking part in a four day training exercise to ensure readiness for operating in the event of a chemical, biological, radiological or nuclear attack. (U.S. Air National Guard photo by Staff Sgt. William Hopper)