Tech. Sgt. Caleb Warren, an aerospace ground equipment craftsman assigned to the 28th Maintenance Squadron, holds up a Consolidated Aircraft Support System air valve at Ellsworth Air Force Base, , March 16, 2017. Over the course of the last 10 years the 28th Civil Engineer Squadron and 28th MXS have put more than $500,000 worth of modifications into CASS in order to keep it running. ( Air Force photo by Airman 1st Class Donald C. Knechtel)

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Size: 5040px × 3416px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 28th, afb, afgsc, bw, cass, ellsworth, mxs