Marine Recruit Training Regiment San Diego
| Marine Recruit Training Regiment West Coast | |
|---|---|
Recruit Training Regiment insignia | |
| Active | 1921-present |
| Country | United States |
| Allegiance | United States of America |
| Branch | United States Marine Corps |
| Type | Recruit Training Regiment |
| Role | Train Marine Recruits |
| Garrison/HQ | Marine Corps Recruit Depot San Diego |
| Mascot(s) | PFC Johnny R. Manuelito “Manny”, un bulldog |
| Commanders | |
| Colonel of the Regiment | Colonel Jim G. Gruny |
| Notable commanders | William G. Joslyn |
The Marine Recruit Training Regiment San Diego (MCRDSD), based at San Diego, California, is a training regiment of the United States Marine Corps. It is composed of three recruitment battalions and three recruit training battalions: 1st, 2nd, 3rd. Each battalion is responsible for ensuring that each company within it is following the procedures set forth by the Recruit Training Regiment. The West Coast depot is in charge the basic training of all male candidates who join the Marine Corps from the west of the Mississippi