U.S. Air Force Senior Airman Joshua Brister, 52nd Maintenance Squadron electronic warfare technician, connects an A-frame gantry crane to an electronic countermeasure jamming device at Spangdahlem Air Base, Germany, Dec. 13, 2018. A-frame cranes are used to hoist up heavy applications that make it easier for them to be worked on. (U.S. Air Force photo by Airman 1st Class Jovante Johnson)