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My brother saved many lives on 9/11 - but it was the last day I saw him, says first fireman to enter World Trade Center | The Sun
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The Story Behind the First FDNY Chief to Respond to the World Trade Center on 9/11 | National September 11 Memorial & Museum
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Joe Pfeifer, last FDNY chief on duty during 9/11 attacks, retires after decades of service - ABC7 New York
![Nearly 20 years since 9/11 terror attacks, first FDNY chief on scene honors 'Ordinary Heroes' | Fox News Nearly 20 years since 9/11 terror attacks, first FDNY chief on scene honors 'Ordinary Heroes' | Fox News](https://a57.foxnews.com/static.foxnews.com/foxnews.com/content/uploads/2021/09/1200/675/Photo-courtesy-of-Chief-Joe-Pfeifer.png?ve=1&tl=1)
Nearly 20 years since 9/11 terror attacks, first FDNY chief on scene honors 'Ordinary Heroes' | Fox News
Fire Chief Joseph Pfeifer, Chief of Counter Terrorism and Emergency Preparedness, New York City Fire Department, recalls the tragic first hand moments he experienced on 9-11 during the 2011 Joint Senior Leadership
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9/11 anniversary: Fire Chief Joseph Pfeifer sent his brother up the North Tower during the rescue, never to see him again | US News | Sky News
![DC Fire and EMS on Twitter: "#DCsBravest Fire and EMS Chief John A. Donnelly, Sr. and @dcfireems officials are participating in DC's 2021 Interoperability Summit. A highlight is learning from retired NYC DC Fire and EMS on Twitter: "#DCsBravest Fire and EMS Chief John A. Donnelly, Sr. and @dcfireems officials are participating in DC's 2021 Interoperability Summit. A highlight is learning from retired NYC](https://pbs.twimg.com/media/FAiQpe0XMAERUeb.jpg:large)