Walking With The Wounded: There is no quarter given on either side at the Vietnam outpost of Khe Sanh. The wounded, moved by litter from their defensive positions to the hospital bunker or into evacuating helicopters, are the targets for North Vietnamese gunners, making any open exposure a time of danger. Here, a downed soldier, with shell fragments in his back and legs, is carried by his comrades, one wounded about the head, across an open area during a lull in the fighting, March 8, 1968