Basic Underwater Demolition/SEAL (BUD/S) training is a 24-week challenge that pushes candidates physically and mentally to the edge. Divided into three phases—Basic Conditioning, Diving, and Land Warfare—BUD/S prepares recruits to become Navy SEALs. This guide breaks down each phase, from the intense physical demands of Hell Week to the crucial skills learned in diving and combat training, offering insight into the mental toughness and resilience required to succeed.