Chasing Gains Marines conduct sled pushes during a physical training event as part of the National Capital Region's Staff Sergeant Transition Symposium at Marine Corps Base Quantico, Va., Aug. 6, 2025. The five-day symposium aims to shape Marines into ethical, operationally grounded senior noncommissioned officers. SHARE: Download: Full Size (1.56 MB) Tags: training, marine corps Credit: Marine Corps Lance Cpl. Braydon Rogers VIRIN: 250806-M-IE924-1425M.JPG Photo Gallery