What does "never lost our nerve" imply about the Marines?

The phrase "never lost our nerve" suggests that the Marines are able to maintain their composure and resolve even in challenging and high-pressure situations. This implies a strong sense of courage and determination, characteristic of military personnel, particularly the Marines, who are known for their ability to remain steadfast in combat. Maintaining composure is crucial for effective decision-making and leadership during intense scenarios.

In contrast to the other choices, which imply negative traits such as anxiety, retreat, or avoidance of conflict, the correct understanding underscores resilience and unyielding strength in the face of adversity. This resilience is a core value for Marines, enabling them to fulfill their missions effectively.