The All Arms Commando Course lasts for 8 weeks and is run by the Royal Marines at the Commando Training Centre Royal Marines (CTCRM), Lympstone. Members from any of the United Kingdom's Regular Armed Forces (e.g. personnel from units attached to the Marines) and overseas exchange personnel can attend in order to serve with 3 Commando Brigade. On completion of the course the successful candidate earns the right to wear the green beret, and to wear the "Commando Dagger" on their uniform.