Ingenuity enhancing safety at Arnold AFB Secondary Pumping Station
A device known as the Ladder Up allows the crew at the Arnold Air Force Base Secondary Pumping Station to more easily ascend and descend suction valve pit ladders. The use of these devices is one of several upgrades recently implemented at the Secondary Pumping Station in an effort to bolster safety and efficiency. (U.S. Air Force photo/Bradley Hicks)

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Photo by: Bradley Hicks |  VIRIN: 180502-F-IL571-002.JPG