Marine boot camp, officially known as Marine Corps recruit training, lasts approximately 13 weeks. This includes one week of receiving, where recruits undergo initial processing such as medical screenings and haircut, followed by 12 weeks of intensive training
. The training is divided into four phases, each with specific activities designed to build physical fitness, combat skills, and Marine Corps knowledge. These phases include physical training, close-order drills, swim qualifications, rifle marksmanship, field training, and culminate in a demanding 54-hour event called "The Crucible," which tests recruits' endurance and mental toughness
. There are no weekends off during this period, and recruits remain on base throughout the entire boot camp. The program is known for being one of the toughest military basic training courses, preparing recruits for the challenges of being a United States Marine