Manpower Management Separation and Retirements Branch (MMSR)

who we are

**ATTENTION**

Currently the MMSR2E OMB is not receiving emails due to technical issues

Please use the below phone numbers until the issue is resolved. thank you!

The mission of the Separation and Retirement Branch is to execute manpower policies, directives, and laws governing the separation and retirement of Marines in both the Regular and Reserve components of the Marine Corps.

Contact Us
Helpful Resources
Military Retirement Tool
State Selector Tool
Branch Information

Function	Contact
MMSR-2 Enlisted Matters	(703) 784-9322/9323 SMB.MANPOWER.MMSR2E@usmc.mil MMSR2E
MMSR-2 Officer Matters	(703) 784-9324/9325/9326 SMB.Manpower.MMSR2O@usmc.mil MMSR2O
MMSR-4 Disability & Limited Duty Matters	(703) 784-9308/9309/9321 SMB.Manpower.MMSR4@usmc.mil MMSR4 (Non-TDRL Matters) SMB.Manpower.TDRL@usmc.mil
MMSR-5 Reservist Matters	(703) 784-9306/9307 smb_manpower_mmsr5@usmc.mil MMSR5
MMSR-6 Retired Services and Pay	(703) 784-9310/9311/9312/9318 smb_manpower_mmsr6@usmc.mil MMSR6

MCO 1900.16 w/CH 2 Separation and Retirement Manual

MCO 1900.16 w/CH 2 Appendix J Retirement Preapplication Checklist

Retirement Timeline & Checklist

Military Retirement Tool

Select Service Type:
Active Duty
Reserves

Active-Duty Retirement Submission Calculator

Retired Pay Multiplier Calculator

Welcome to our State Selector Tool designed specifically for transitioning veterans. With this tool, you can easily navigate to the official website of any U.S. state to explore the comprehensive array of veteran services tailored to your needs.