Photos

Brig. Gen. David Winnacker listens to briefs during an Individual Ready Reserve (IRR) Muster at Camp Pendleton, California, Dec. 14, 2025. Winnacker is the commanding general of Force Headquarters Group, Marine Forces Reserve. During these muster events, Marine Corps Individual Reserve Support Activity (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)