Which controller has the responsibility to turn on R357 during a scenario?

The Radar Associate is responsible for turning on R357 during a scenario. This role involves providing support to the radar controller by managing the radar display and facilitating communication. The Radar Associate must be familiar with the operational procedures, including the use of specific radar tools and functionalities like R357, which may serve various purposes, such as enhancing tracking capabilities or managing specific airspace sectors.

Understanding this responsibility is essential in maintaining situational awareness and ensuring effective management of air traffic in the controlled airspace. The Radar Associate's actions are crucial in the execution of safe and efficient air traffic control, making it a critical aspect of their training and responsibilities.