Word: radar
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...NATO code, it is the world's fastest weapons-carrying warplane, having attained a record speed* of 1,852.6 m.p.h. and a test altitude of 118,000 ft.-outrunning and outclimbing even the newest U.S. fighter planes. Thus a study of the MIG-25's complex radar, engines and missile system could provide U.S. experts with new insights about the current state of Soviet aeronautical and electronic technology. Delighted by Belenko's gift, the White House immediately announced its willingness to grant political asylum to the Soviet lieutenant. At week's end he arrived...
...break. Somewhere near the Primorsky Kray coast, he suddenly put his MIG in a sharp dive, leveling out 150 ft. over the waves of the Sea of Japan, followed shortly afterward by Russian pilots in hot pursuit. After flying this low for a short distance to elude Soviet radar, he climbed back to 20,000 ft. for the dash to Japan; a jet gulps too much fuel at low altitudes...
...Belenko approached Japanese airspace near Sapporo, the site of the 1972 Winter Olympics, his pursuers suddenly turned back, probably recalled to their base by radio command. Japanese Air Self-Defense Forces, spotting the intruder on radar, warned him (in Russian) by radio that he would soon violate Japanese airspace. When Belenko neither responded nor changed course, the Japanese scrambled two Phantoms to intercept the plane. But find him they could not. Belenko managed for 24 minutes to elude the Phantoms, probably by the simple expedient of flying again at low altitudes, below the sweep of the Air Self-Defense Forces...
Follow-up examination by the giant radar antenna at Arecibo, Puerto Rico, quickly dispelled that notion. The radar data indicated that the landscape was littered with boulders ranging from 3 ft. to 15 ft. in diameter. Despite pressure from biologists anxious to begin Viking's life-seeking experiments, Martin decided that the risks at the second site were too great for the 1,270-lb., three-legged lander; to lose it on landing would leave the billion-dollar Viking mission totally dependent on Viking...
After ruling this site out, the scientists turned to a third site some 900 miles west-northwest of the original target area. Preliminary radar data suggested that the new landing zone is smoother than the other two, but Viking scientists wanted detailed photographs of the area before making a final decision. To get them, controllers at J.P.L. last week "tweaked" Viking's thrusters to bring the periapsis (low point) of its orbit directly over the new landing site. If the photographs confirm that Chryse Planitia is relatively smooth, Viking will land on July...