Guardsmen assigned to 155th Armored Brigade Combat Team, give a thumbs-up before entering a gas chamber as part of a chemical protective mask confidence exercise at Camp Shelby Joint Forces Training Center, Miss., Feb. 15, 2018. The 155th ABCT is preparing for an upcoming deployment to the Middle East in support of Operation Spartan Shield. ( Army National Guard photo by Spc. Jovi Prevot)

---

Size: 3587px × 2391px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 155th, abct, armored, army, brigade, camp, chamber, chemical, combat, corps, gas, guard, mississippi, msng, national, operation, shelby, shield, spartan, team