491st Medical Company Area Support (MCAS) soldiers were Observer, Coach/Trainers for this year's Guardian Response training exercise at Muscatatuck, In., on Apr. 17-27, 2023. The 491st MCAS has been the medical unit on the Command and Control Chemical, Biological, Radiological, Nuclear Response Element-A (C2CRE-A) mission for the past three years. (U.S. Army Reserve Video by Spc. Ronald D. Bell)