A SpaceX Falcon 9 rocket launched a Dragon 2 spacecraft on a cargo resupply mission to the International Space Station. The Falcon 9’s first stage booster landed on a drone ship in the Atlantic Ocean. The flight was the 28th mission by SpaceX conducted under a Commercial Resupply Services contract with NASA. Delayed from June 3. Scrubbed June 4 due to high winds in the booster recovery area.