Security guards from the U.S. Army Engineer Research and Development Center examine an automobile during vehicle inspection practical exercises as part of the Department of the Army Security Guards Mobile Training Team Train-the-Trainer Course held on the ERDC-Vicksburg main campus, February 3 - 13, 2020. The course, the first of its kind at ERDC, was designed not only to train guards in their duties, but also to teach them the skills necessary to pass that knowledge on to their peers.