After seven successful missions to the International Space Station, including six official resupply missions for NASA, SpaceX’s Falcon 9 rocket and Dragon spacecraft are set to liftoff from Launch Complex 40 at the Cape Canaveral Air Force Station, Florida, for their seventh official Commercial Resupply Services (CRS) mission to the orbiting lab. Liftoff is targeted for Sunday, June 28, 2015, at 2