Operation Sentinel Justice combines real-world medical support, training to strengthen AR-MEDCOM, MRTC readiness
U.S. Army Reserve Spc. Samantha Sprott, a chemical, biological, radiological and nuclear specialist assigned to the San Antonio-based 7454th Medical Operations Readiness Unit, left, prepares a training manikin applies moulage to a simulated hand injury while Staff Sgt. Jason Foulks, a medical logistics specialist with the 7454th MORU, prepares a simulated leg injury on the manikin during Operation Sentinel Justice at Camp Shelby, Miss., June 14, 2026. The realistic casualty training aids enhance medical readiness by providing Soldiers with lifelike scenarios used to practice assessment, triage and treatment procedures in support of large-scale combat operations. (U.S. Army Reserve photo by Sgt. 1st Class Jayson Rivera)