Commando Training Regiment

The Commando Training Regiment (CTRE) is the training and education group of Spartan Branch. The regiment's main focus is the advanced training of special operations personnel in-preparation to become supersoldiers and their eventual augmentations. 3rd Regiment, CTRE's primary unit, contains a cadre of 100 instructors, 910 trainees, and other administrative personnel. The Commando Medical Battalion, despite its host unit, serves the entirety of Spartan Branch.
Commanded by Lieutenant Commander Maria Espejo (S-062), CTRE is based entirely at the in Seongnam, Gyeonggi, Republic of Korea.
==Current structure==
*3rd Spartan Regiment (Training)
**Headquarters Squadron
***Administrative Troop
**6 (CURRAHEE) Commando
**7 (DELTA) Commando
**11 (TREVELYAN) Commando
*Commando Medical Battalion
**Field Medicine Group
***Rapid Reaction Surgical Unit
***Alpha Company
***Bravo Company
***Charlie Company
***Delta Company
**Special Case Group
***Augmentation and Recovery Unit
***Mental Health Unit
***Candidate Analysis Unit
*Conventional Force Integration Unit
*Foreign Training Mission Unit