![Flight 93 NMEM on Twitter: "9:37--American Airlines Flight 77 crashed into the Pentagon. By this time, passengers and crew members aboard Flight 93 were using Airfones to call family and friends. They Flight 93 NMEM on Twitter: "9:37--American Airlines Flight 77 crashed into the Pentagon. By this time, passengers and crew members aboard Flight 93 were using Airfones to call family and friends. They](https://pbs.twimg.com/media/E-tOd3CWUAA3z1T.jpg)
Flight 93 NMEM on Twitter: "9:37--American Airlines Flight 77 crashed into the Pentagon. By this time, passengers and crew members aboard Flight 93 were using Airfones to call family and friends. They
The National 9/11 Pentagon Memorial: What to Know Before You Visit > U.S. Department of Defense > Story
![Sioux City Fire Rescue on Twitter: "9:37:46 EDT: Flight 77 crashes into the western side of the Pentagon and starts a violent fire. #NeverForget #20YearsLater https://t.co/Az0DrAnjiw" / Twitter Sioux City Fire Rescue on Twitter: "9:37:46 EDT: Flight 77 crashes into the western side of the Pentagon and starts a violent fire. #NeverForget #20YearsLater https://t.co/Az0DrAnjiw" / Twitter](https://pbs.twimg.com/media/E_AhaOdXsAAxdl0.jpg)