Stroke: a stroke occurs when there is a blocked (embolism) or ruptured (aneurysm/hemorrhage) blood vessel that supplies the brain, leading to severe and permanent damage to the tissues of the brain. A very severe stroke can cause brain death.
MCT: Marine Combat Training. All non-infantry Marines, upon completion of recruit training, will undergo Marine Combat Training (MCT). MCT consists of 29 days of battle skills training that enables Marines, regardless of MOS, to operate in a combat environment.
Approximately 1/3 fail at the Marine Scout Sniper training course, it is one of the toughest schools in the Marine Corps. There are less than 300 Scout snipers within the corps. To qualify for Marine Scout Sniper School, the marine recruit must first earn the rank of Lance Corporal, and have an infantry Military Occupational Specialty (MOS). During the time in basic training, you need to become an expert marksman on the gun range, be at least a second class swimmer and score high on your Physical Fitness Test (PFT).