Lt. Col. Marilyn Wills and Cmdr. Craig Powell, who worked at the Pentagon during the 9/11 attacks, take a photo together after being reunited. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_25.jpg
Cmdr. Craig Powell and Lt. Col. Marilyn Wills, who both worked at the Pentagon during 9/11, are reunited after many years. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_19.jpg
Cmdr. Craig Powell and Lt. Col. Marilyn Wills, who both worked at the Pentagon during 9/11, are reunited after many years. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_18.jpg
Lt. Col. Marilyn Wills, who worked at the Pentagon during the 9/11 attacks, recounts the events of that day. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_24.jpg
Cmdr. Craig Powell, who worked at the Pentagon during the 9/11 attacks, recounts the events of that day. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_23.jpg
Lt. Col. Marilyn Wills, who worked at the Pentagon during the 9/11 attacks, recounts the events of that day. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_22.jpg
Al Kim, who worked as a paramedic during the 9/11 attacks, smiles as he talks with Kevin Shea. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_08.jpg
Cmdr. Craig Powell and Lt. Col. Marilyn Wills, who both worked at the Pentagon during 9/11, discuss the events of that day. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_20.jpg
Behind-the-scenes as Cmdr. Craig Powell and Lt. Col. Marilyn Wills, who both worked at the Pentagon during 9/11, discuss the events of that day. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_21.jpg
Al Kim and Kevin Shea, who worked for emergency services during the 9/11 attacks, take a photo together after many years. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_09.jpg
Retired Army Col. Marilyn Wills sits on a bench at the Pentagon 9/11 Memorial with her purple heart award. Wills was working at the Pentagon on 9/11. (Cheriss May, Ndemay Media Group)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_Archive_27.jpg
An archive image of Craig Powell, who was working at the Pentagon on 9/11. (Photo courtesy Craig Powell)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_Archive_26.jpg
Al Kim, who worked as a paramedic during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_04.jpg
Kevin Shea, who worked as a firefighter for the New York Fire Department during the 9/11 attacks, waits on the street to be reunited with Al Kim. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_05.jpg
Lt. Col. Marilyn Wills and Cmdr. Craig Powell, who both worked at the Pentagon during the 9/11 attacks. Powell saved Wills by catching her and others from a window as they jumped out of the Pentagon. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_11.jpg
Al Kim and Kevin Shea, who both worked for emergency services during the 9/11 attacks, recount the events of that day. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_07.jpg
Cmdr. Craig Powell, who worked at the Pentagon during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_13.jpg
Al Kim and Kevin Shea, who both worked for emergency services during the 9/11 attacks, are reunited after many years. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_06.jpg
Kevin Shea, who worked as a firefighter for the New York Fire Department during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_02.jpg
Lt. Col. Marilyn Wills, who worked at the Pentagon during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_16.jpg
Lt. Col. Marilyn Wills, who worked at the Pentagon during the 9/11 attacks, waits to meet with Cmdr. Craig Powell. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_17.jpg
Al Kim, who worked as a paramedic during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_03.jpg
Lt. Col. Marilyn Wills, who worked at the Pentagon during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_15.jpg
Kevin Shea, who worked as a firefighter for the New York Fire Department during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_01.jpg
Cmdr. Craig Powell, who worked at the Pentagon during the 9/11 attacks. (National Geographic/Virginia Sherwood)Episode: #102 "9:07 AM – 10:15 AM"Air Date 11/30/-0001102_911Reunited_14.jpg