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Repurposing chemicals, reducing waste
Expired hydraulic fluid sits in a storage locker at the Hazmart on Barksdale Air Force Base, La., Dec. 12, 2017. One of the main criteria for these repurposed chemicals such as this is that they must be used on non-critical and non-tactical assets. Critical assets are defined as aircraft or lifesaving equipment and subsystems. Tactical assets are defined as weapons and its subsystems. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)