U.S. Air Force Airman 1st Class Spencer Hartung, 52nd Logistics Readiness Squadron preventative maintenance technician, adjusts a valve on the Viper Kit preparing it to be emptied at Spangdahlem Air Base, Germany, Jan. 7, 2021. Normally it takes anywhere from two to three hours to drain one refuel truck the Viper Kit can be drained of all fuel in 10 minutes. (U.S. Air Force photo by Senior Airman Alex Miller)
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