Drill Duty U.S. Army Spc. Fred Grinnell, center, and Suriname army Sgt. Milton Mungra secure a joist during a bridge repair project part of Golden Coyote exercise at Deadwood, S.D., June 15, 2018. Grinnell is assigned to the South Dakota National Guard’s 155th Engineer Company. Army photo by Sgt. Gary Silverman SHARE: Download: Full Size (1.58 MB) Tags: South Dakota Army National Guard, National Guardsmen, Northcom, Northern Command, Soldiers, training Credit: Sgt. Gary Silverman VIRIN: 180615-A-TO648-0256A.JPG Photo Gallery