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Lt. Col. David S. Gritsavage, F-16 pilot, 138th Fighter Wing, launches on his 5,000-hour flight, Sept. 21, 2021, at Tulsa Air National Guard Base, Okla. Gritsavage is one of few pilots to accomplish this feat in an F-16, and the first to cross that threshold at the 138th Fighter Wing. (Oklahoma Air National Guard photo by Master Sgt. Michael)
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