PERS-4G is the Navy’s order issuing authority for all declared contingency operations (full or partial mobilization and Presidential Reserve Call Up (PRC)).  PERS-4G issues deployment and re-deployment orders for AC personnel identified to fill individual augmentation contingency manpower requirements via Overseas Contingency Operations Support Assignment (OSA), Individual Augmentation Manpower Management (IAMM) and Global Support Assignment (GSA).  PERS-4G also issues mobilization and demobilization orders for RC personnel identified to fill individual augmentation assignment (RC Mob) as well as RC personnel mobilized as part of an established commissioned unit.    
        
PERS-4G also manages the Active Duty for Special Work (ADSW) program, promulgates policy and processing guidelines for the Navy Mobilization Processing Site (NMPS) operations and provides functional and technical program management of the Navy Marine Corps Mobilization Processing System (NMCMPS).  

PERS-4G promulgates policy and processing guidelines for the Navy Mobilization Processing Site (NMPS) and is responsible for revisions to the Expeditionary Screening Checklist (NAVPERS 1300/22) and the Medical Suitability Certification form (NAVPERS 1300/21).  pers 4g also liaisons with the Bureau of Medicine and Surgery (BUMED) for revisions to the Expeditionary Medical and Dental Screening form (NAVMED 1300/4) and other theater specific medical screening forms.  

This website provides information, resources and useful links for both AC and RC personnel in receipt of deployment orders and information pertaining to ADSW requests and orders. 

The following is a list of branches within PERS-4G available to assist with inquiries on orders, policies and procedures:

PERS-4G1 – Mobilization Order Writing & Sailor Advocacy (for RC personnel)
PERS-4G2 – Active Duty for Special Work (ADSW)
PERS-4G3 – Active Duty Contingency Augmentation (GSA/OSA/IAMM)