Crucible Courage Marine Corps Pvt. Hailey Hurless completes a 9-mile hike during the final portion of the Crucible at Marine Corps Base Camp Pendleton, Calif., March 27, 2024. The Crucible is a 54-hour day and night endurance event that tests participants' responses to stress and simulated combat. SHARE: Download: Full Size (1.39 MB) Tags: California, Marine Corps Credit: Marine Corps Sgt. Yvonna Guyette VIRIN: 240327-M-VQ041-1028Y.JPG Photo Gallery