Chief Master Sgt. Thomas Schaefer, 8th Fighter Wing command chief, learns how to conduct commercial vehicle inspection during an 8th Security Forces Squadron immersion at Kunsan Air Base, Republic of Korea, Aug. 13, 2021. The inspection is completed for every commercial vehicle that enters the installation to ensure they aren’t bringing anything unsafe or unintended that could potentially negatively impact the base populous. (U.S. Air Force photo by Staff Sgt. Gabrielle Spalding)