Who should always plan ahead so that there is a fresh or rested crew ready to rotate with a crew that needs rehabilitation?

The ship's captain or operations manager should always plan ahead to ensure that there is a fresh or rested crew ready to rotate with a crew that needs rehabilitation. This proactive approach is crucial for maintaining safety, operational efficiency, and the well-being of the crew. By anticipating crew needs and scheduling rotations effectively, they can prevent fatigue and ensure a smooth transition during shifts.