Close Order Drill PHASE 2 PHASE 3 PHASE 4 THE CRUCIBLE This is a 54-hour day and night test of endurance. It will challenge you both mentally and physically. You will be asked to perform on little sleep and little food. The Crucible is a test to see how you will react and respond ...
Drill Instructor Creed of the United States Marine Corps Click to Read More. Published on 1/27/2025 Your recruit will be introduced to his or her Drill Instructors (DIs) for the first time at the end of the first week after arriving in boot camp. Indeed, this is one of the defining ...