If I remember correctly the death on Mission: SPACE was of a young boy (i think he was 4...way to young for that ride in my opinion). Anyways, I believe the mother talked her young son into going on it and it was too much for him to handle. I could be mistaken...this is just what I remember hearing. And this could be the reason the CM's are so diligent on making sure a child (or any other rider for that matter)...is doing ok. They wouldn't want another tragedy like that to happen again.
That child had an undiagnosed heart problem. His death had nothing to do with him wanting or not wanting to ride Mission:Space. He did not die ON Mission:Space but after he exited. Unfortunately, there was absolutely no way for him, his family or Disney World to know of his medical condition.


DD5 kept telling me she wanted to ride ToT. I was a little hesitant. But, she insisted. So, we get to the room with the little movie and I feel her crouching next to me. We get out into the waiting area and she was "okay" but not her self. After waiting for about twenty minutes, she looked at me and asked if we could leave. Now I honestly believe if we didn't have to wait and went straight to the ride, she would have done it. But, the anticipation and all the noise and darkness made her uneasy. I totally understood and we made our way out backwards toward the room with the movie and went out that way. Forcing her on the ride may have only traumatized her and annoyed the people around us. It also didn't help there were some teenage girls around us screaming and making matters worse.
When she gets older and is ready, we'll try again.