Which certification is NOT required during the Maintenance Phase of the FRTP?

The Maintenance Phase of the Fleet Response Training Plan (FRTP) focuses on maintaining operational readiness, ensuring that crews can effectively conduct their missions. During this phase, specific certifications are deemed critical for operational effectiveness and safety.

Crisis Management, while an important skill set, does not have the same immediate operational requirement during the Maintenance Phase as the other certifications listed. The Maintenance Phase typically emphasizes certifications directly related to maintaining the ship's capabilities and safety protocols.

On the other hand, Anti-Terrorism, Mobility - Damage Control, and Explosive Safety are vital because they relate to protecting personnel and equipment, managing emergencies, and ensuring safety throughout operations. Each of these areas is critical for maintaining readiness and capability, directly influencing the operational status of the naval fleet.

Hence, the absence of a requirement for Crisis Management certification during this specific phase aligns with the operational focus of the Maintenance Phase in the FRTP, which prioritizes immediate readiness over crisis response training.