Unit cohesion through blisters

The Corps has been vague on what kinds of activities will include combat conditioning and physical training. But images posted by Marine officials in a command release in January show Marines breaking piles of rocks when the Corps conducted a simulation of the new CCU.

It may elicit a negative connotation of old-fashioned prison chain gangs. But Marine Corps officials say the hard physical conditioning, while a tool for punishment, is also used to build camaraderie, unit cohesion and foster leadership traits.

From this Marine Times article about a delay in the reopening of the Corps' correctional custody unit at Camp Hansen, Okinawa