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China completes core of Beidou global satellite navigation system

December 16, 2019 Stephen Clark

Two Chinese Beidou navigation satellites successfully launched Monday on top of a Long March 3B rocket, completing the core of China’s independent positioning and timing network ahead of the start of global service next year.

Russia adds new satellite to Glonass navigation fleet

December 11, 2019 Stephen Clark

Russia launched a fresh satellite for the Glonass network Wednesday aboard a Soyuz rocket, replenishing a fleet of positioning and timing stations used around the world for navigation services.

China launches two more Beidou navigation satellites

November 23, 2019 Stephen Clark

Maintaining a rapid-fire launch cadence to close out the year, China added two more Beidou satellites to its independent positioning, navigation and timing fleet Saturday with a successful launch aboard a Long March 3B rocket.

Another Beidou satellite launched by China

November 4, 2019 Stephen Clark

A Chinese Long March 3B rocket successfully carried a new Beidou navigation satellite into orbit Monday, continuing a brisk launch cadence at the country’s launch sites.

Two more satellites launched into China’s Beidou navigation fleet

September 23, 2019 Stephen Clark

China added two more satellites to the country’s Beidou navigation fleet — an analog to the U.S. military’s GPS network — with a successful Long March 3B rocket launch Sunday.

Photos: ULA’s Delta 4-Medium flies for the last time

August 26, 2019 Stephen Clark

The last flight of United Launch Alliance’s Delta 4-Medium rocket lifted off Aug. 22 from Cape Canaveral Air Force Station in Florida, riding more than 1.2 million pounds of thrust from a hydrogen-fueled main engine and two strap-on solid rocket motors.

Five more Delta 4-Heavy flights in ULA backlog after final “single stick” launch

August 22, 2019 Stephen Clark

The last Delta 4 launcher to fly in a single-core configuration rumbled into space Thursday morning from Cape Canaveral with a GPS navigation satellite, leaving United Launch Alliance with five more Delta 4-Heavy missions on contract through late 2023 before the Delta rocket family retires from service.