U.S. Marines with Marine Corps Individual Reserve Support Activity, Force Headquarters Group, Marine Forces Reserve, assists Marines in the Individual Ready Reserve (IRR) during the admin audit process of an IRR Muster, Manhattan Beach, California, Jan. 21, 2023. Marines that take part in the IRR Muster are screened in order to ensure readiness for augmentation into the active component of the total force. The IRR Marines were required to attend a reserves opportunity and obligations brief as well as complete an admin audit in order to ensure their information is up to date in the case of receiving recall orders. (U.S. Marine Corps photo by Cpl. Jonathan L. Gonzalez)