Various events have shaped and changed the formation of the National Airspace System (NAS) of countries and the performance of air traffic. From lessons learned following accident investigations to the creation of new technology, ATC and ATM has evolved for air traffic controllers. For this discussion activity, review the module readings or find an event from the last 15 years that impacted ATC and/or ATM. Some topics to consider include: Workforce development New entrants to the NAS COVID or other pandemics Congestion at airports New technology in Communications Navigation and Surveillance (CNS) Uncrewed aircraft systems Include the following in your initial post: Use the appropriate definitions of ATM and ATC. Explain how the event affected or shaped the future of ATC. Include a properly formatted in-text citation and reference to support your work. Your initial post needs to be thoughtful, thorough, and comprehensive. Your post needs to be about two paragraphs and should thoroughly explain your position