Which principle highlights the importance of teamwork within the Marine Corps?

The principle that emphasizes the importance of teamwork within the Marine Corps is centered on the concept of training as a team. This principle is fundamental because it promotes the idea that individuals must work together cohesively to achieve common objectives. Training as a team fosters cooperation, communication, and the development of mutual trust among Marines, which are essential components for operational effectiveness in dynamic and often high-stress environments.

When Marines train as a unit, they learn each other's strengths and weaknesses, enhancing their ability to act in synchronization during missions. This practice is critical since the effectiveness of military operations often relies on how well team members can function together, rather than their individual abilities alone. By prioritizing team training, the Marine Corps ensures that all members understand their roles and responsibilities, leading to improved performance and mission success.

In contrast, principles such as decentralized command and unity of command, while important to operational effectiveness and clarity of leadership, do not specifically address the foundational role of teamwork in achieving collective goals. Individual responsibility, on the other hand, emphasizes personal accountability, but it operates within the broader context where teamwork is vital for success.