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U.S. Soldiers Pfc. Gloria Rafael (front) and Staff Sgt. Jose Rosado (back), both Human Resources Specialists with the 155th Combat Sustainment Support Battalion hold fighting positions in a simulated austere environment during Operation Sentinel Justice at Gulfport, Miss., June 13. 2026. The 155th CSSB falls under the 304th Sustainment Brigade and the 311th Sustainment Command (Expeditionary) and provides essential sustainment, such as fuel, equipment, and transportation to keep combat forces ready and capable.
Operation Sentinel Justice is the largest training event in the history of the Army Reserve, with an estimated 12,000-15,000 Soldiers participating. The training event is comprised of Combat Support Training Exercise (CSTX) 26-01, Global Medic, and a Tech Evaluation (TECH EVAL) spread across Camp Shelby, MS, Camp Beauregard, LA, & Gulfport, MS. The CSTX is designed to assess and enhance the readiness and capabilities of Army Reserve Soldiers in a modern, dynamic, multi-echelon, and joint operational environment aimed at preparing the force for Large Scale Combat Operations (LSCO). (U.S. Army photo by Sgt. 1st Class Rodney Roldan)
| Date Taken: | 06.13.2026 |
| Date Posted: | 06.14.2026 19:50 |
| Photo ID: | 9749378 |
| VIRIN: | 260613-A-BH424-2423 |
| Resolution: | 6720x4480 |
| Size: | 6.88 MB |
| Location: | GULFPORT, MISSISSIPPI, US |
| Web Views: | 9 |
| Downloads: | 0 |
This work, Army Reserve sustainment Soldiers train for Large-Scale Combat Operations during Operation Sentinel Justice [Image 7 of 7], by SFC Rodney Roldan, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
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