What is the first action to take when reacting to contact?

When reacting to contact, the first action to take is indeed a multi-faceted approach, which encompasses all the options listed. This is because in a combat or tactical environment, each action plays a critical role in ensuring the safety of oneself and team members.

Seeking cover is vital as it provides immediate protection from incoming threats, thereby reducing the risk of injury or death. This action prioritizes safety and allows for a tactical advantage.

Returning fire is also an essential action, as it enables the individual or team to defend themselves and potentially neutralize the threat. Engaging the enemy can help to suppress their fire and create an opportunity to regroup or maneuver.

Reporting 3D's, which refers to reporting the “danger” (the immediate threat), “disposition” (the enemy's location and posture), and “direction” (the direction the threat is coming from), ensures that command and other team members are aware of the situation. This communication is critical for coordinated response and support.

Combining these actions forms a complete tactical response to contact, as they work together to ensure both immediate safety and effective communication in a dangerous situation. This multifaceted reaction is necessary for maintaining operational effectiveness and improving the chances of survival in combat scenarios.