Hydraulic fluid leaks from a tow bar being serviced June 20, 2016, at Aviano Air Base, Italy. The 31st Maintenance Squadron aerospace ground equipment flight services, inspects, troubleshoots, repairs and performs maintenance on generators, air conditioners, hydraulic test stands, munitions lifts and other equipment. (U.S. Air Force photo by Airman 1st Class Cory W. Bush/Released)