World: Living on Air: How Khe Sanh Is Sustained

To the 5,000 encircled Marines at Khe Sanh, air is much more than just the stuff they breathe; it is their lifeline, their hope, their only chance of survival if they are attacked by the 30,000 or so North Vietnamese regulars who surround them. As part of one of the most massive aerial support and attack campaigns ever mounted, U.S. pilots struggled to sustain and shield Khe Sanh. Air Force and Marine transport pilots last week flew 79 supply sorties, delivering nearly 1,200 tons of food, water, medicine and ammunition to the besieged outpost. Fighter-bombers and giant B-52s flew some 2,000...