One year ago today, I was standing on a scruffy lawn in Florida, bleary-eyed from having slept an hour in the last 20–and feeling none of the fatigue accumulated from that sleep debt and compounded over an afternoon, evening and night of travel.

I don’t think there has been a day since May 16, 2011 when I haven’t thought about the mind-expanding experience of seeing a space shuttle launch for the first time.

First the waiting–welling up in the predawn hours from a kid’s Christmas Eve anticipation to the electricity in the stands at a baseball game before a walk-off home run for your team. The “oh my God, we’re really going to do this” moment at about T-15 seconds. Then the visceral jolt of seeing Endeavour’s rockets split the sky open with a sustained, brilliant flash of light, throwing that improbable machine into the clouds–and hearing and feeling the crackling avalanche of sound rush right up and over us.

The birth of our daughter was about as exciting–also experienced on near-zero sleep!–but I can’t think of much else that compares. Except for seeing the final shuttle launch with a press pass in July. (If you can get away with doing a once-in-a-lifetime thing twice without taking somebody else’s spot, do it; after taking the canonical launch photo on my first try, I could soak everything in the second time.)

Witnessing this controlled explosion didn’t last long, but I think if you ask any of the NASA Tweetup attendees who returned to the Kennedy Space Center for the launch after the scrub two weeks earlier, they’d all say it was one of the greatest moments of their lives. And that it taught something about endeavoring through adversity–or, at least, about the importance of avoiding short circuits in a Load Controller Assembly box.

I’ve retold this story dozens of times to friends and strangers, and I’m still trying to get the language right. Maybe I’m overthinking it. When I saw the Daily Show’s John Oliver do his comedy routine in March, he needed far fewer words than this post to convey his reaction to seeing the launch of Atlantis from the same KSC lawn: “Holy fucking shit!”