Corporals Course Marines go through an obstacle course at Marine Corps Base Quantico, Va., Feb. 13, 2020. The Marines must complete Corporals Course in order to be promoted to the rank of sergeant. SHARE IMAGE: Download Image: Full Size (0.68 MB) Tags: Marine Corps, Training Photo By: Marine Corps Sgt. Ann Correa VIRIN: 200213-M-MQ965-0137C.JPG Photo Gallery