NASA LAST DECEMBER, THE EXTERNAL TANK THAT WILL SOON THUNDER OFF THE LAUNCH PAD bolted to the space shuttle ... machines spray the smooth areas of the tank with a polyurethane foam, while ...

Cape Canavarel, Fla.? Denying that it is yielding to “go fever,” NASA still plans a Fourth of July launch of shuttle Discovery despite the reappearance of the same type of problem that doomed ...