Photos

Maj. Siwen Cremean assists Sgt. Alexis Zavatkay during the check-in process of an Individual Ready Reserve (IRR) muster at Camp Pendleton, California, Dec. 14, 2025. Zavatkay is a Marine in the IRR and Cremean is a readiness support program operations officer with Marine Corps Individual Reserve Support Activity (MCIRSA), Force Headquarters Group, Marine Forces Reserve. During these muster events, MCIRSA conducts an administrative screening of IRR Marines to ensure their readiness to augment and reinforce the active component. (U.S. Marine Corps photo by Sgt. Emily De La Torre)