Sustainment System Master Gunner (SSMG) course
Capt. Gene Siner of the 451st Expeditionary Sustainment Command carefully untwists CAT5 wire pairs while practicing network cable construction at the 1LT Lanny J. Wallace U.S. Army Reserve Center in Wichita, Kansas, on Oct. 7, 2024. (U.S. Army Reserve photo by Spc. Brent Newton)