Space Rocket History #273 – Apollo 13 – Free Return – Part 3

Lovell toggled the “master arm” switch to On and glanced around to see if everything else was in order. Guidance control was set to “Primary Guidance”; thrust control was on “Auto”; engine gimbals were enabled; the propellant quantity, temperature, and pressure looked good; the ship was maintaining the correct attitude.

Homepage with pictures. (spacerockethistory.com/2018/10/space-rocket-hi…)