This test on the external tank is one of the many planned by NASA to make the tank a damage proof one. In a few days, Discovery is scheduled to be fitted with a safer, updated model, which will replace the present tank. "Everything's going fine," NASA spokesman Bruce Buckingham said after the test started.More info at Earthtimes
NASA investiges Discovery's external fuel tank
Posted on Saturday, May 21 2005 @ 16:50 CEST by Thomas De Maesschalck
NASA performed a second test on space shuttle Discovery's external tank to understand why the sensors and valves failed during the first test in April.