The 1 October After-Action Report details the Las Vegas mass shooting at the Route 91 Harvest Music Festival, highlighting systemic failures in communication and preparedness, and providing comprehensive recommendations for improving law enforcement response to mass-casualty events. This in-depth review has significantly influenced emergency response protocols, fostering better inter-agency coordination and advanced training to prevent future tragedies.

The Pulse Nightclub shooting in Orlando, Florida, on June 12, 2016, resulted in the deaths of 49 people and injuries to 53 others, marking it as one of the deadliest mass shootings in U.S. history. The comprehensive report on the response highlights the successes and challenges faced by law enforcement and public safety agencies, offering critical lessons and recommendations for improving future responses to mass casualty events.

The 2013 Boston Marathon bombings After-Action Report provides an in-depth analysis of the tragic attack and the subsequent multi-agency response, highlighting both successes and areas for improvement. The report's recommendations for enhanced communication protocols, advanced training, and better resource management have significantly influenced emergency response strategies nationwide.