PARIS — The European Space Agency (ESA) is working to re-establish contact with the 10-year-old Envisat spacecraft, which the agency says stopped relaying data to Earth April 8. The 8,000-kg (18,000-lb.) spacecraft has been in orbit twice as long as its five-year design life, but ESA hopes to keep the satellite operating until the launch of a follow-on mission under Europe’s Global Monitoring for Environment and Security (GMES) program.

Boeing is developing designs for a secure mobile phone that could relieve the woes of government officials and senior business executives who use Blackberries for their security features, but hope to have the functionality of a more modern device such as the iPhone. The company is developing the system with partners, but officials decline to name them for now. They say more detail is coming on the design and the team later this year, with a product launch slated by year’s end.

The contract comes ahead of November meeting where member states will decide the agency’s next multiyear spending plan.

HOUSTON — U.S. and European astronauts Don Pettit and Andre Kuipers, as part of a temporarily downsized International Space Station crew, are preparing for the arrival of the SpaceX Dragon cargo capsule, which is awaiting a tentatively scheduled April 30 liftoff on the first attempt at a U.S. commercial resupply mission to the orbiting science lab. NASA and SpaceX mission managers are scheduled to gather at NASA’s Johnson Space Center April 16 for a flight-readiness review to assess the preparations and settle on an official launch date.

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BEIJING — China’s main rocket engine maker appears to have begun deliveries of production-standard YF-100 engines, the key powerplants for the forthcoming Long March 5, 6 and 7 launchers. A propulsion system for the Long March 5 heavy launcher, comprising two main engines and two auxiliary thrusters, was “recently” delivered by the Academy of Aerospace Propulsion Technology (AAPT) — also known as the 6th Academy — according to its parent, the national space group China Aerospace Science and Technology Corp. (CASC).

The FAA will prepare an environmental impact statement for a SpaceX commercial launch complex in Brownsville, Texas.

Spurred by reports that LightSquared is considering bankruptcy, two lawmakers are hoping the government can recover the cost of testing the company’s proposed 4G communications network for interference with GPS.