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

A Japanese H-2A rocket took off Tuesday with a communications satellite to relay messages and commands among the country’s defense forces, part of a $1.1 billion program to reduce Japan’s reliance on commercial and international providers to connect its military units.

SpaceX will launch a space station-bound cargo ship with nearly 2.5 tons of supplies and experiments next Friday, Dec. 8, with a previously-flown Falcon 9 rocket booster after winning NASA approval for the reuse plan, agency officials said Wednesday.

Two days after lifting off aboard a SpaceX Falcon 9 rocket from the Complex 40 launch pad at Cape Canaveral Air Force Station, a commercial Dragon supply ship loaded with more than 4,800 pounds of supplies and experiments arrived Sunday at the International Space Station. Capture of the robotic cargo craft occurred at 5:57 a.m. EST (1057 GMT).