Airmen from the 145th Maintenance Squadron are hard at work performing maintenance on two C-130 Hercules aircraft in a hanger at the North Carolina Air National Guard Base, Charlotte Douglas International Airport, Sept. 30, 2015. From engine changes to switching out avionics, maintenance is needed. The role maintenance Airmen perform, keeping the C-130 Hercules aircraft mission ready, is critical to the 145th Airlift Wing. Airmen from the 145th MXS work from dawn to dusk ensuring continual support for training and multiple real world operations. (U.S. photos by Master Sgt. Patricia F. Moran, 145th Public Affairs/Released)