The Marine Forces Reserve (MARFORRES or MFR) (also known as the United States Marine Corps Reserve (USMCR)), a part of the United States Marine Corps, is the largest command in the Marine Corps.
The mission of Marine Forces Reserve is to augment and reinforce active Marine forces in time of war, national emergency or contingency operations, provide personnel and operational tempo relief for the active forces in peacetime, and provide service to the community (for example, through Toys for Tots).
MARFORRES comprises two groups of Marines and Sailors. The first, known as the Selected Marine Corps Reserve (SMCR), are Marines that belong to reserve units and drill one weekend a month and two weeks a year. The second group is known as the Individual Ready Reserve (IRR). The IRR is composed of Marines that have finished their active duty or SMCR obligations, however their names remain on the books to be called up in case of a war or other emergency. Participation in the IRR involves the Marine calling their local reserve station once a year to check in. Reserve Marines are equipped and trained to the same standards as active Marine forces.
Enlistment in the Marine Forces Reserve occurs through a process similar to that for enlistment in the regular active Marine Corps. Recruits must take the ASVAB, pass a comprehensive physical exam, and be sworn in. They may enter through a billet in the Delayed Entry Program (DEP). Reserve Recruits attend Marine Corps Basic Training along with active duty recruits, claiming the title United States Marine upon successful completion of the training. They then have a mandatory leave of 10 days (up to 24 if they volunteer for and are assigned to recruiter's assistance) before further training at the School of Infantry (SOI) and their designated Military Occupational Specialty (MOS). Only after completing the training program(s) does a Reserve Marine's enlistment begin to differ from that of an active duty Marine.
There is a program called the Select Reserve Incentive Program (SRIP), which provides enlistment bonuses for Reservists enlisting for needed MOSs. Half is payable upon completion of training and the other half is spread out over the term of enlistment.
After serving several years in the Reserves and attaining leadership rank it is possible for an enlisted Reservist to receive a commission through the Reserve Enlisted Commissioning Program (RECP).