What is the proper initial response to fire and life-threatening emergencies?

The correct initial response to fire and life-threatening emergencies is to call 911 and then proceed with notifying the Foreign Post Security (FPS). Calling 911 is crucial because it connects you to emergency services that can dispatch police, fire, and medical assistance to the location of the emergency. This immediate response is vital in situations where every second counts for saving lives and minimizing damage.

Once 911 has been contacted, notifying FPS is also important as they can provide specialized security support and assistance that may be needed to manage the situation effectively. This two-step process ensures that both immediate life safety needs and security concerns are addressed appropriately.

The other options reflect different emergency numbers that either do not provide sufficient immediate response or do not apply to fire and life-threatening situations specifically. For example, calling CO or DO may refer to specific organizational protocols that might not engage first responders immediately, while calling 511 typically provides information about traffic conditions rather than emergency services. Hence, the most effective and standardized approach during such emergencies is to first call 911 to ensure a rapid response from the emergency services.