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.
Advanced Infantry Training Battalion. Marines in the Marine Corps Combat Instructor Course fire the AT-4 as part of their training to become the instructors of Marine Combat Training and Infantry Training Battalion. The Infantry Training Battalion's mission is to train and qualify Marines in entry level infantry military occupational specialties [in order to] provide the Operating Forces and Reserve Component with Marines capable of conducting expeditionary combat operations..