Oil replacement
U.S. Air Force Airman 1st Class Ryan Abella, 23d Logistics Readiness Squadron vehicle maintenance journeyman, checks an oil system in a government operated vehicle June 30, 2015, at Moody Air Force Base, Ga. The 23d LRS Vehicle Management Flight is tasked to analyze and repair numerous Moody vehicles, including 23d Civil Engineer Squadron fire trucks and 23d Security Forces Squadron police vehicles. (U.S. Air Force photo by Airman 1st Class Dillian Bamman/Released)