Which of the following is NOT a component of the auxiliary systems for the RB-M 45?

The correct answer identifies "Internal fuel storage systems" as not being a component of the auxiliary systems for the RB-M 45. Auxiliary systems are typically designed to support the primary functions of the vessel without being part of the propulsion or fuel systems themselves.

Communication systems play a crucial role in ensuring the crew can relay vital information and coordinate with other vessels or command centers, thereby enhancing operational efficiency and safety. Environmental monitoring systems are essential for tracking weather conditions, water quality, and other environmental factors that can impact the boat's performance and safety during missions. Navigation systems, which include tools and technology used for determining the boat's position and charting its course, are also critical components that facilitate safe and effective navigation at sea.

In contrast, internal fuel storage systems fall under the primary design considerations of the boat related to propulsion and fuel management rather than auxiliary support systems. This distinction is important as it helps delineate the functionalities that enhance the operational readiness of the RB-M 45 from those that ensure it can perform its primary mission effectively.