Physical Training, or “PT” as it is often called, comes in many forms aboard the MCRD. Recruit training uses a progressive physical training program, which builds up recruits to Marine Corps standards. Recruits will experience Table PT, a period of training in which a drill instructor leads several platoons through a series of demanding exercises while he demonstrates on a table. Recruits will also run, either individually or as a platoon or squad. Other PT consists of obstacle courses, circuit courses, or 3-, 5- or 10-mile conditioning