World: THE BATTLE OF BUNKER'S BUNKER

THE most daring attack of the week—and certainly one of the most embarrassing—occurred when 19 Viet Cong commandos of the C-10 Sapper Battalion made the U.S. embassy their target. When Ambassador Ellsworth Bunker opened the white reinforced-concrete complex last September, few American missions ever settled into more seemingly impregnable quarters. Looming behind a lO-ft.-high wall, the six-story symbol of U.S. power and prestige is encased in a massive concrete sunscreen that overlaps shatterproof Plexiglas windows. The $2.6 million building contains such an array of fortresslike features that Saigon wags soon dubbed it...