Which of the following components is NOT a part of a comprehensive fitness program for Marines?

A comprehensive fitness program for Marines encompasses various components that contribute to overall physical readiness and performance. Flexibility is indeed an essential component of fitness, particularly for ensuring proper range of motion in joints and reducing the risk of injury during physical activities.

Coordination, endurance, and strength are all critical elements that support a Marine’s ability to perform demanding tasks, respond to physical challenges, and carry out missions effectively. Coordination involves the ability to use different body parts together smoothly and efficiently. Endurance refers to the capacity to sustain physical activity over time, while strength relates to the muscle's ability to exert force.

Therefore, flexibility plays a vital role and should not be excluded from a comprehensive fitness program. It enhances performance and contributes to overall physical capabilities, making it a necessary component of a well-rounded fitness regimen for Marines.