Newly installed aircraft arresting system maintains Yokota’s r
Staff Sgt. Zach Sheller, 374th Civil Engineer Squadron electrical power productions shop craftsman, left, trains Airman Eric Christenson, 374th CES electrical power productions shop apprentice, on how to correctly operate the newly installed flightline BAK-12 barrier, aircraft arresting system (AAS) during the initial certification test at Yokota Air Base, Japan, Jan. 13, 2021. The BAK-12 system is replaced every 10 years to remain compliant with U.S. Air Force AAS requirements. Accomplishing these certification tests maintains Yokota’s mission capabilities. (U.S. Air Force photo by Staff Sgt. Gabrielle Spalding)