The 25th anniversary of the September 11 attacks marks a quarter-century since the devastating terrorist strikes reshaped global security, national policy, and collective memory. The events led to sweeping changes in aviation safety, intelligence practices, and military engagements, while leaving a lasting impact on communities and families affected. As remembrance ceremonies and reflections unfold, the anniversary prompts renewed discussions on resilience, the evolution of counterterrorism efforts, and the enduring legacy of those lost. New perspectives from survivors, first responders, and policymakers offer a deeper look at how the tragedy continues to influence the present.