Word: groundward
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...camera in the nose of the warhead. To fire the Walleye, the pilot points the bomb at the intended target until the camera has locked onto the object, which must be bright and distinct enough to stand out from the surroundings. Then, as the missile is released and glides groundward, the camera commands stubby fins that steer the projectile into the target. Increasingly, the Walleye is fixing its baleful stare on the few remaining choice targets in North Viet...
...tossed a soft pass toward Hornblower. Ray turned and took it at the goal, and stepped in, making it 14-13 Yale. The big crowd knew Coach Henry Lamar would go for the two. This was, after all, Yale. Reynolds took the snap, stepped back, and fired a bullet groundward. It didn't look like much of a pass from the sidelines, but Hornblower was there on his back to take it, and Harvard...
Thanks. In Chicago, while Mason James Anderson hurtled groundward from a 14th-floor scaffold, Coworker Philip Walsh twirled a rope, lassoed him in midair, deposited him on the sidewalk practically unhurt...
What did these tricks was a "terrain clearance indicator,"'first practical development of a radio-run absolute altimeter. From a transmitting antenna on one wing, radio waves are bounced groundward, caught on the rebound by a receiving antenna on the other wing. The elapsed time interval is measured in millionths of a second at radio's speed of 186,300 miles per second, is translated into feet on the altimeter...
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