This SMEAT crew would test out various elements of the Skylab equipment and procedures in a series of trials, ending in a full-scale simulation that was set at 56 days.

“I felt like that mission was from my viewpoint the highlight of my career, as being the best astronaut that I could be. I felt like our crew was the best crew we could be because we had done the best we could. We got sick; we couldn’t help that. We ...