Airman 1st Class Dillion Rickman, 28th Logistics Readiness Squadron vehicle and vehicular equipment mechanic, checks oil levels in a government vehicle during routine maintenance in the vehicle maintenance shop at Ellsworth Air Force Base, S.D., April 24, 2012. The dipstick allows the mechanics to verify the amount of oil already pumped into the vehicle, ensuring proper engine operation.
Airman 1st Class Kate Maurer
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