Let the sparks fly
Tech. Sgt. Vincent Holmes, an aircraft metals technology technician with the 911th Maintenance Squadron, uses an angle grinder to cut through metal at Pittsburgh International Airport Air Reserve Station, Pa., Dec. 30, 2022. Aircraft metals technology technicians keep the service's aircraft flying by grinding, welding, fabricating, or repairing parts. (U.S. Air Force photo by Tech. Sgt. Jeffrey Grossi)
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