Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

SpaceX has shipped to Cape Canaveral the first Falcon 9 booster equipped with upgrades to haul heavier cargoes to orbit, aiming for a mid-December launch in the space transport company’s first mission since a June rocket failure grounded the Falcon 9.

The launch of a Northrop Grumman Antares rocket with an automated commercial space station cargo vessel from Virginia was aborted less than three minutes before takeoff Sunday after engineers detected unusual readings from a ground support sensor. Northrop Grumman and NASA officials said the next launch attempt is scheduled for no earlier than Thursday.

These photos captured on the eve of launch show a United Launch Alliance Atlas 5 rocket standing on its launch pad at Cape Canaveral Air Force Station, ready for blastoff on the U.S. Air Force’s AFSPC 11 mission with three satellites on-board.