Space Exploration Technologies (SpaceX) has completed flight qualification of the Merlin 1D engine, clearing a final hurdle in the planned operational debut of the more powerful engine on the upgraded Falcon 9 v1.1 rocket in June.

HOUSTON — Greatly enhanced gravity maps of the Moon, compiled from measurements made by NASA’s twin Gravity Recovery and Interior Laboratory (Grail) mission probes, have already made their way into the navigational models used by active lunar missions as well as those available to project teams preparing for unpiloted or future human missions, according to Grail project scientists.

Spacecraft is scheduled to be launched Nov. 27

SPACE TURNDOWN: Government spending worldwide on outer space peaked last year at $72.9 billion, but Euroconsult expects such spending to drop due to global fiscal austerity pressures, with improvement not expected before 2015.

The FAA says it will identify technical, political, legal and operational methods to protect aviation users from intentional spoofing and jamming of GPS signals in a report to be issued in September. Results of the one-year study, initiated by the FAA in September 2012 and carried out by a government/industry team, are critical to the agency’s planned reliance on GPS as the navigation and surveillance backbone of the next-generation air transportation system (NextGen) program.

NASA Pushes New Power Systems For Planetary Missions.

Robot is in 'safe mode,' temporarily curtailing science investigations

Upgraded launcher will feature more powerful Merlin 1D engines