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Castelion, a startup trying to build a hypersonic weapon for the Pentagon, tested its system for the first time, it told Reuters on Monday, as a growing group of small hypersonic arms makers ...
The first manufactured object to achieve hypersonic flight was the two-stage Bumper rocket, consisting of a WAC Corporal second stage set on top of a V-2 first stage. In February 1949, at White Sands, the rocket reached a speed of 8,290 km/h (5,150 mph), or about Mach 6.7. [2]
General Atomics is led by chairman and CEO Neal Blue and his brother, Linden Blue. [15]Linden P. Blue is the chief executive officer of General Atomics Aeronautical Systems (GA-ASI), the division responsible for manufacturing and selling the Reaper UAV. [16]
The S&P 500 is a stock market index maintained by S&P Dow Jones Indices. It comprises 503 common stocks which are issued by 500 large-cap companies traded on the American stock exchanges (including the 30 companies that compose the Dow Jones Industrial Average). The index includes about 80 percent of the American market by capitalization.
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Meanwhile, stock investors are still awaiting a "Santa Claus rally," a five-day trading stretch marked by big gains at the year's end. Here's where US indexes stood shortly after the 9:30 a.m ...
Year World market cap Number of listed companies Millions of US$ % of GDP; 1975 1,149,245 27.2 14,577 1980 2,525,736 29.6 17,273 1985 4,684,978 47.0 20,555