Pfc. Adan Perez, a corrections specialist with the

Pfc. Adan Perez, a corrections specialist with the 67th Military Police Company, 508th MP Battalion, prepares to enter a small shack with his squad, July 18, during a three-day training exercise on Joint Base Lewis-McChord, Wash. The exercise, which had Perez and his group working on multiple occasions to diffuse unrest among detainee role players, tested the battalion on its ability to run a detention camp in a deployed environment.