Word: radar
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Spartan & Sprint. As presently envisioned, the system will not handle what defense theorists call a "sophisticated attack." Such an attack would involve 400 to 600 incoming Soviet missiles traveling at 18,000 m.p.h., carrying devices aimed at confusing U.S. radar and bristling with multiple warheads. Rather, the network will be designed to cope with a "primitive attack," involving the sort of strike that Peking may be capable of mounting by the 1970s. Total cost of this "thin" or "austere" defense, as the Pentagon calls it, is estimated at $3.5 billion...
...Advanced Research Projects Agency. "I think that it is really our secret weapon." Still, there are plenty of bugs in the system: rats, dogs, or even rainfall can trigger the gadgets-and it rains an average of 120 inches during the monsoon. Other zones will be swept by radar. Hair-thin trip wires, mine fields and conventional barbed-wire entanglements will block several notorious invasion routes...
...Sofar proved not so good. When a demolition crew opened her sea cocks, the unmanned R.L.S. drifted out of sight before a brisk sou'easter and lingered for 16 hours instead of disappearing from radar screens in four hours, according to schedule. Where she finally came to rest, nobody is quite sure, and the waterlogged hulk of the R.L.S. is almost "transparent" to sonar blips used to locate submarines. But it seems likely that she lies in about 3,500 ft. of water-not deep enough to activate the fuses. Because the added pressure of a vessel passing overhead...
Into the Void. Off they went in the B-25 climbing through the clouds and circling north over the lake before heading back toward the field. When Pilot Karns thought he was in approximate position, he radioed the Federal Aviation Administration radar station at Oberlin, Ohio, for a radar vector. The Oberlin operator announced: "You are three miles west of Ortner." "Fine," radioed Karns. "I'm releasing my jumpers." Looking down, all anyone on the plane could see was clouds, broken here and there by patches of brownish green. Both the U.S. Parachute Association and the FAA have regulations...
...have died; last year the figure was 23, the year before 25. The U.S. Parachute Association argues that there is only one fatality for every 55.000 jumps, points to its long list of dos and don'ts for members. In the Ohio tragedy, there was an obvious FAA radar foul-up. Yet the chutists had broken every rule in their own book, rules that in any event are largely voluntary. Aside from the cloud regulation, no federal or state agency pays much attention. The theory apparently is that the only lives parachutists risk are their own. But that...