![File:Thomas Mattingly and Henry Hartsfield in front of the Space Shuttle vehicle.jpg - Wikimedia Commons File:Thomas Mattingly and Henry Hartsfield in front of the Space Shuttle vehicle.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/a2/Thomas_Mattingly_and_Henry_Hartsfield_in_front_of_the_Space_Shuttle_vehicle.jpg)
File:Thomas Mattingly and Henry Hartsfield in front of the Space Shuttle vehicle.jpg - Wikimedia Commons
![(29 May 1982) --- Astronauts Thomas K. (Ken) Mattingly II, center foreground, and Henry W. Hartsfield Jr., both wearing pressure garments, leave the operations and checkout building at KSC to board a special van that will take them to Launch Pad 39A for a ... (29 May 1982) --- Astronauts Thomas K. (Ken) Mattingly II, center foreground, and Henry W. Hartsfield Jr., both wearing pressure garments, leave the operations and checkout building at KSC to board a special van that will take them to Launch Pad 39A for a ...](https://c8.alamy.com/zooms/6/2696107ecfc047c7b7af69765e9f426e/t28pn5.jpg)
(29 May 1982) --- Astronauts Thomas K. (Ken) Mattingly II, center foreground, and Henry W. Hartsfield Jr., both wearing pressure garments, leave the operations and checkout building at KSC to board a special van that will take them to Launch Pad 39A for a ...
![Astronaut Thomas K. (Ken) Mattingly II, command module pilot of the Apollo 16 lunar landing mission, Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-JF-107368 | agefotostock Astronaut Thomas K. (Ken) Mattingly II, command module pilot of the Apollo 16 lunar landing mission, Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-JF-107368 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/3081f09ed002c2489e44d361058a2675/gxc-jmh-jf-107368.jpg)
Astronaut Thomas K. (Ken) Mattingly II, command module pilot of the Apollo 16 lunar landing mission, Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-JF-107368 | agefotostock
![Astronaut Thomas K. (Ken) Mattingly II, who was scheduled as a prime crew member for the Apollo 13 lunar landing mission but was replaced in the final hours when it was discovered Astronaut Thomas K. (Ken) Mattingly II, who was scheduled as a prime crew member for the Apollo 13 lunar landing mission but was replaced in the final hours when it was discovered](https://c8.alamy.com/zooms/9/f7279ba0aa974fa19c591bd7b58723f0/t28py7.jpg)
Astronaut Thomas K. (Ken) Mattingly II, who was scheduled as a prime crew member for the Apollo 13 lunar landing mission but was replaced in the final hours when it was discovered
![Astronaut Thomas K. (Ken) Mattingly II, who was scheduled as a prime crew member for the Apollo 13 lunar landing mission but was replaced in the final hours when it was discovered Astronaut Thomas K. (Ken) Mattingly II, who was scheduled as a prime crew member for the Apollo 13 lunar landing mission but was replaced in the final hours when it was discovered](https://c8.alamy.com/zooms/6/4898e4e212924e15a6e1679d1bc330ec/2h99j59.jpg)