[Update: Due to cumulus cloud presence, the flight was delayed and subsequently set for 11:4m a.m., August 1.]
NASA and SpaceX rolled Dragon Endeavour and its Falcon 9 to Pad 39A overnight and aim to lift four Expedition 73 crew members to the ISS at 12:09 p.m. Eastern. Weather officers give a 90 percent “go” forecast, and the booster is expected to land at Cape Canaveral’s LZ-1 eight minutes after liftoff. This will be the first Dragon to fly a sixth time, reflecting NASA’s growing confidence in deep vehicle reuse. A clean, on-time launch would keep crew-rotation cadence intact and push cumulative Dragon crew-hours above two million.