Sunlit Smoke Marines and sailors simulate a live-fire platoon attack during Service Level Training Exercise 4-25 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 16, 2025. The exercise provides a challenging, realistic training environment that produces integrated, capable and combat-ready forces. SHARE: Download: Full Size (1.52 MB) Tags: exercises, training, navy, marine corps, service level training exercise, service level training exercise 25 Credit: Marine Corps Lance Cpl. Judith Ann Lazaro VIRIN: 250716-M-FC877-1316K.JPG Photo Gallery