Final answer:
The Maintenance Operations flight is responsible for the maintenance of radar, navigational aids, weather, and ATC radio systems, ensuring the safe and efficient functioning of air travel.
Step-by-step explanation:
The operational support flight responsible for performing maintenance on radar, navigational aids, weather, and air traffic control (ATC) radio systems is the Maintenance Operations. This group of experts is specifically tasked with ensuring the functionality and reliability of critical communications and navigational systems that facilitate efficient and safe air travel. Regular maintenance checks and repairs are essential to prevent system failures that could potentially lead to flight delays, cancellations, or accidents, thereby maintaining the integrity and safety of air operations.