Word: warheaded
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...transport, the ballistic bird was flown secretly to the U.S. Air Force base at Lakenheath, England, was greeted unenthusiastically by the British press-mirroring an anti-missile feeling among both Labor and Conservative leaders, who fear an all-out commitment to missile defense. Fitted out with a thermonuclear warhead (which stays in U.S. hands), Thor can blast from British soil 15 minutes after the first alert, minutes later impact hundreds of miles inside Russia. Reliability, now an acceptable 50%, will be increased in later arrivals. Estimated date of readiness of Britain's first Thor squadron: December...
...helo dropped a Bloodhound-a practice acoustic torpedo of a type that would carry a nuclear warhead in battles. The orange tube disappeared into the water, spiraled down in its hunt for the right depth, leveled out and rammed the submarine, its wooden nose smashing forward near the port torpedo tubes. The aircraft turned and headed back to the flagship. Sea Leopard was destroyed. Nothing was left. Only the sea, ominous and black and still. And 40 miles away, on the bridge of the Valley Forge, Admiral Jimmy Thach silently studied the reports of the submarine's death...
...bluntness creates a shielding shock wave out front that cuts the velocity of the air actually hitting the nose to subsonic speed, then slows the missile to around 500 m.p.h. Instead of evaporating in more than 10,000° re-entry heat, as a sharp-nosed metal warhead might, it descends at a cool...
...Island, 700 miles from Honolulu. Unquestionably, it was the highest ever exploded by the U.S. To be seen direct in Honolulu, it must have occurred many miles above the earth, and estimates put it as high as 100 miles. The AEC announced only: "the test detonation of a nuclear warhead missile." Speculation was that the warhead had been hurled aloft by the Army's Redstone missile, providing Hawaii with a preview of what the explosion will look like when an anti-missile attacks an invading missile...
...test's purpose was to find what happens when a nuclear warhead explodes in a virtual vacuum above the bulk of the atmosphere. The behavior of a nuclear explosion near sea level is known precisely. The nuclear fireball expands very fast at first, but both its temperature and pressure fall as it gets bigger. When its pressure equals that of the air, the ball stops expanding (for a megaton explosion, at a diameter of about one mile). The air also absorbs gamma and ultraviolet rays, confines radioactive particles to a comparatively small cloud...