Word: mach
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Within twelve minutes we were over the outskirts of Le Havre. It was 9 a.m. when we broke the sound barrier-Mach 1. Up there it comes with a whimper, not a bang. I had to be told that we had passed Mach 1 cruising at 30,000 feet; we felt only a slight whisper of movement, hardly a shudder, as the plane continued to climb...
...were at Mach 1.9 and still picking up speed; 9:16 and ten seconds ... 20 ... 25. The pilot raised his thumb in a gesture of triumph. A few seconds later we were flying at twice the speed of sound -which, at our altitude of 50,000 ft., came to nearly 1,300 miles an hour...
...Congress in shaping it. Once the name of a popular and viable political doctrine, isolationism today-with or without "neo" attached to it-is a pejorative word. It has no real validity in a world of instant communications, internationally linked economies, and nuclear weapons that can bridge continents at Mach 23 speed. Properly speaking, the term suggests someone who would like to disengage the U.S. from the rest of the world and return to a 19th century insularity. No doubt some Americans are experiencing an emotional recoil from foreign commitments, as a result of Viet Nam and domestic troubles...
...Russians have also brought in some of their newest equipment: Mach 2.5 twin-jet interceptors called the SU-11, which are not believed to be operational even in the Soviet air force, and the lethal Mach 3 MIG-23 "Fox-bat," which can easily outclimb the Phantoms of the Israeli air force...
...twin-jet all-weather interceptor known in NATO as "Flagon," is capable of Mach 2.5 speeds. Like the MIG-23s, these are the first advanced Sukhois allowed outside Russia...