Which three phases are essential for tracking radar?

The essential phases for tracking radar are designations, acquisitions, and tracking.

In the context of radar systems, designations are crucial as they involve identifying the target objects that need to be tracked. This initial step is important because it provides the operator with the necessary information to focus on specific targets, which can range from aircraft to ships.

The acquisition phase is where radar systems actively search for and detect those targets. During this phase, radar signals are emitted, and any reflections from the targets are received, allowing the systems to gather data regarding their position and movement.

Finally, the tracking phase is where the radar system continuously monitors the targets to determine their speed, heading, and other dynamics. Effective tracking allows for accurate prediction of the target's future positions, which is essential for purposes such as air traffic control, missile guidance, and navigating security measures.

The other options listed refer to different processes or aspects of radar operation and do not encompass the critical sequence of phases specifically focused on tracking, which is why they are not the best choices in this context.