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Staff Sgt. Christopher Lineback, 820th Rapid Engineer Deployable Heavy Operational Repair Squadron Engineers pavement and heavy equipment operator, feeds dynamite and downhole delay through a borehole at Nellis Air Force Base, Nevada, Oct. 20, 2022. Dynamite and downhole delay can range from five feet to 11 feet deep. (U.S. Air Force photo by Airman 1st Class Jordan McCoy)
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