BLASTING THROUGH A THIN LAYER OF CLOUDS INTO blue skies above, the new space shuttle Endeavour rode into space only half an hour behind schedule last week, on a mission to rescue a misplaced satellite and to give astronauts some space-walking practice. It was the first flight for the new $2 billion craft, a replacement for the Challenger, which blew up and killed its crew of seven in January 1986.
The satellite in distress is Intelsat-6, designed to carry international telephone traffic. It was launched in 1990 but was stranded 345 miles up -- about 22,000 miles short of its assigned...