NASA 's plans to service Hubble Space Telescope suffer another setback . Ground testing of a critical replacement is taking longer than expected . ` ` delays in April to support a May launch , '' project management predicts . But a closer evaluation of the spare shows more than six months of work will be needed to get it ready to fly . More than six months of work will be needed to get it ready to fly .
NASA 's plans to service Hubble Space Telescope suffer another setback . Ground testing of a critical replacement is taking longer than expected . ` ` delays in April to support a May launch , '' project management predicts . More than six months of work will be needed to get it ready to fly .