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.
In the U.S. Air Force it is called Basic Military Training or BMT. In the U.S. Navy and U.S. Marine Corps it is called Recruit Training, and in the U.S. Coast Guard, it is called Basic Training.. Some services present a badge or other award to denote completion of recruit training.