Elon Musk's Dragon 9 rocket, on a resupply mission to the International Space Station, blew up shortly after takeoff on Sunday.  It was the first mishap for the Dragon 9 since the Space X rocket became operational and the third disaster in 8 months of rockets trying to resupply the space station. NBC News: "We appear to have had a launch vehicle failure," NASA spokesman George Diller observed. Air Force officials said the rocket "experienced an anomaly" 148 seconds into the flight. Debris from the breakup fell into the Atlantic Ocean without causing damage or injury on the ground. SpaceX billionaire founder Elon Musk, who turned 44 years old on Sunday,reported in a tweet that "there was an overpressure event in the upper-stage liquid oxygen tank." SpaceX's president and chief operating officer, Gwynne Shotwell, echoed that preliminary assessment during a news briefing later Sunday — but she said it was too early to...(Read Full Post)