Master Sgt. Chet Nance, 434th Security Forces Squadron non-commissioned officer in charge of combat arms, discusses assembly of the M107A1 anti-materiel rifle with Staff Sgt. Travis Garrison, 934th SFS combat arms instructor and Staff Sgt. Joshua Knouff, 434th SFS combat arms instructor, at Camp Atterbury-Muscatatuck, Ind., April 19, 2017. The 934th SFS from Minneapolis-St. Paul Air Reserve Station joined Grissom Airmen to conduct joint weapons training as part of their annual qualifications. (U.S. Air Force photo/Senior Airman Harrison Withrow)
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