OK, so we can't be the only NASA nerds in Houston not to post something about Space Shuttle Discovery rolling to launch pad 39B today. It's a very exciting time indeed with the launch to the International Space Station scheduled for July 1st.
Here's a piece of trivia for you. Each crawler has 458 tread "shoes" and each one of them weighs 2100 pounds! The entire crawler weighs (minus the shuttle) 5.5 million pounds. Read more about it here (PDF).
- Mike
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