Command Sgt. Maj. Duane Weyer, the senior enlisted leader for the Wisconsin Army National Guard’s 157th Maneuver Enhancement Brigade currently deployed to Combined Joint Task Force-Horn of Africa, observes Sgt. 1st Class Heather Carr, CJTF-HOA surgeon cell senior enlisted leader, demonstrate combat casualty care for members of the Djiboutian coast guard during exercise Bull Shark at Camp Doraleh, Djibouti May 28.