U.S. Army Reserve Master Sgt. Michael Christy, left, Sgt. 1st Class Cornelius Joyner, Staff Sgt. Bolls Sgt. 1st Class Jeremy Reed, Sgt Gustavo Salazar, Master Sgt. Kimberly Jones and Sgt. 1st Class Laverne Cohill, all with Headquarters and Headquarters Company, 412th Theater Engineer Command, based in Vicksburg, Miss., perform a 21-gun salute at the Vicksburg National Cemetery Memorial Day Observance May 29, 2017. (U.S. Army Reserve Photo by Sgt. 1st Class Clinton Wood)