Long March launcher boosts twin satellites into orbit

Two satellites for China's Beidou navigation system launched aboard a Long March 3B rocket Sunday, further expanding the space-based positioning network as China eyes global service by 2020. The Beidou constellation, also known as Compass, is China's counterpart to the U.S. Air Force's Global Positioning System, which provides navigation services to military vehicles, precision munitions, civil aviation, personal cars, boats, and search-and-rescue forces. More

(Source: SpaceFlight Now - May 2)