Begin your article by detailing the Marana mid-air crash, emphasizing the immediate facts and ongoing investigations by the NTSB and FAA. Transition into a discussion on how air traffic control systems function at non-towered airports, highlighting the unique challenges they present. Explore the advancements in aviation technology, such as ADS-B systems, that are enhancing safety and preventing similar incidents. Address the importance of pilot training and adherence to federal aviation regulations in ensuring safe flight operations. Conclude by reflecting on the steps being taken to improve safety at Marana Regional Airport and airports alike.