Cramped spaces and fuel vapors: MacDill “Tank Divers”
Sixth Maintenance Squadron (MXS) fuel systems Airmen crawl inside a fuel cell bladder at MacDill Air Force Base, Fla., Nov. 25, 2019. The 6th MXS “Tank Divers” seal the bladder and perform a pressure test to check for leaks. (U.S. Air Force photo by Airman 1st Class Ryan C. Grossklag)