Launch of US Spacecraft Delayed Until Friday

Thursday's scheduled launch of America's new spacecraft was canceled due to a problem with a fill-and-drain valves on the booster rockets. A variety of problems halted the countdown from at the Cape Canaveral complex in Florida before it was finally scrubbed, including a technical issue and wind speeds. According to a tweet from NASA, the next possible launch window opens Friday. The unmanned spacecraft will make two orbits of the Earth at an altitude more than 14...

© La Voix de l'Amérique - jeudi 4 décembre 2014