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.
Navy SEALs. SEAL stands for sea, air and land, and Navy SEALs are trained to perform rescue and combat missions in all three environments. SEALs undergo a rigorous seven-month training program including basic training, SCUBA training and land warfare training.