Word: radar
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Dates: during 1960-1969
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Suspicious Ladder. Each Phantom carries anywhere from three to nine cameras, including infra-red equipment, as well as side-looking radar, all linked to the aircraft's navigational gear in order to record precise locations-and trip the camera shutters at just the right millisecond. On return to Udorn, automatic machines swiftly process the film in trailers set up beside the runway, and highly skilled (and suspicious) photo interpreters, or PIs, scan it for hours, looking for the smallest telltale detail: a ladder left at a cave entrance, a small dot of light that might be a campfire, vehicle...
...North Vietnamese had fortified the hills of A Shau with hidden antiaircraft guns, some of them radar-controlled and able to hit a plane at 20,000 ft. Using Russian-made bulldozers, they had widened the old French road running down the valley center, Route 548, to six lanes, and built a brand-new road called 547A that branched off from another road, Route 547, and emerged from the valley aimed straight at the heart of Hue. Such passable weather as A Shau ever knows comes in April and May, and three weeks ago, under the tightest secrecy...
...Force was at a loss to say what was bugging the enormously complicated fighting machine, which carries three tons of electronic gear. After withholding the surviving F-111s from action for a few days, it sent them once again into combat. This time it intends to keep them under radar surveillance at all times so that it will know at least where-if not why-they go down...
...last February and promised to give Park $100 million in additional U.S. military aid this year on top of the normal $160 million. Drawing on this new account, Park is organizing a 2,500,000-man reserve that, on call, will help to patrol the coast, operate ground-surveillance radar stations and perform other such duties. He is also trying to modernize the country's 600,000-man armed forces, replacing World War II rifles with the new M16, buying U.S. helicopters for better troop mobility and adding new tanks...
...first, Khe Sanh's barren landscape presented problems for the B-52s' radar system, which usually takes a fix on a prominent ground feature, such as a bridge or high building. To solve that, the U.S. employed a recently developed system called "Sky Spot." Using a power ground-control center on South Viet Nam's coast, Sky Spot directed the bombers to the general area of their destination. There, on hilltops miles from the fighting, the U.S. placed meshes of wire that acted as radar reflectors and electronic beacons that emitted continuous signals. Gauging the distance...