What is the primary purpose of the Marine Corps Combat Fitness Test (CFT)?

The primary purpose of the Marine Corps Combat Fitness Test (CFT) is to evaluate a Marine's physical fitness and combat readiness. This test is specifically designed to simulate the physical demands and challenges Marines may face in combat situations. It assesses various components of fitness that are crucial for operational effectiveness, including muscular strength, endurance, and overall physical capability.

The structure of the CFT includes various events like the maneuver under fire, which emphasizes not only strength but also agility and stamina, reflecting the physical challenges of the battlefield. The focus on physical readiness ensures that Marines maintain a high level of fitness that can be directly applied to combat situations, making B the correct choice.

The other options may touch on aspects of a Marine's role, but they do not align with the CFT's objective of assessing physical preparedness for combat. For instance, strategy skills and theoretical knowledge are essential for a Marine's overall training but do not directly relate to the physical evaluation performed by the CFT. Similarly, leadership proficiency, while an important aspect of military service, is not the focal point of the CFT, which is primarily concerned with a Marine's ability to perform physically in the field.