Airman 1st Class Brian Baldwin, 860th Aircraft Maintenance Squadron crew chief, prepares a ladder to check the oil on a C-17 Globemaster III during Golden Thunder 19-02 at Travis Air Force Base, California, on May 6, 2019. This joint exercise between the 349th Air Mobility Wing and 60th AMW was designed to assess AEF deployment, employment, and redeployment processes, evaluate wartime readiness, and identify resource-to-requirement gaps, to accurately report on the ability to meet mission directives and designed operational capability requirements. (U.S. Air Force Photo by Tech. Sgt. Daniel Phelps)