A finished bearing housing for a B-1B Lancer aircraft avionics cooling system sits in front of a rough aluminum casting and the mold from which it was created, at Tinker Air Force Base, Okla., April 13, 2023. The bearing housing is an example of an aluminum part that can be created by the 76th Commodities Maintenance Group using its new sand-casting capability. (U.S. Air Force photo by Paul Shirk)
Canon EOS R5
RF24-70mm F2.8 L IS USM
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