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Old November 2 2013, 01:55 AM   #1
RAMA
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Location: NJ, USA
And now...the SR-72

http://www.wired.com/autopia/2013/11...-martin-sr-72/

http://www.aviationweek.com/Article....632731.xml&p=1

Cool plane...mach 6 speed, the successor to the SR-71, butis it really necessary at this point? The AIr Force says this:
Guided by the U.S. Air Force’s long-term hypersonic road map, the SR-72 is designed to fill what are perceived by defense planners as growing gaps in coverage of fast-reaction intelligence by the plethora of satellites, subsonic manned and unmanned platforms meant to replace the SR-71. Potentially dangerous and increasingly mobile threats are emerging in areas of denied or contested airspace, in countries with sophisticated air defenses and detailed knowledge of satellite movements.


A vehicle penetrating at high altitude and Mach 6, a speed viewed by Lockheed Martin as the “sweet spot” for practical air-breathing hypersonics, is expected to survive where even stealthy, advanced subsonic or supersonic aircraft and unmanned vehicles might not. Moreover, an armed ISR platform would also have the ability to strike targets before they could hide.
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