A.C. Strickland, troop training and self-help supervisor for Public Work's Self-Help Program, shows Cpl. Patrick Kelly, a training clerk, Headquarters Company, Marine Special Operations Group, Marine Special Operations Command, how to drill and mount brackets for curtains he is installing in his units conference room. - A.C. Strickland, troop training and self-help supervisor for Public Work's Self-Help Program, shows Cpl. Patrick Kelly, a training clerk, Headquarters Company, Marine Special Operations Group, Marine Special Operations Command, how to drill and mount brackets for curtains he is installing in his units conference room.