June 8th, 2007

Atlantis just launched from KSC. SRBs have separated and everything looks beautiful!

Update: They just made the “Press to ATO” call, meaning that Atlantis can still reach orbit if an engine fails. (ATO is Abort to Orbit, the only abort scenario a shuttle has ever used… or so I’m told.)

Update: Atlantis just reached MECO (Main Engine Cutoff), concluding the most hazardous part of ascent. External tank separation in a few seconds, and in about 45 minutes 36 minutes, at T+45:00, they’ll fire up the Orbital Maneuvering System engines to circularize the orbit. It’s been a beautiful launch.

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