I had a good session of low impact cardio. This will make some of - TopicsExpress



          

I had a good session of low impact cardio. This will make some of you whiners happy. Lockheed Martins planned SR-72 twin-engine jet aircraft is seen in this artists rendering provided to Reuters by Lockheed Martin. Lockheed Martin says the hypersonic spy plane could fly at Mach 6, twice as fast as its famed SR-71 Blackbird. Lockheed Martin Corp has unveiled plans for a hypersonic spy plane that could fly at Mach 6, twice as fast as its famed SR-71 Blackbird, and said a missile demonstrating the new technology could fly as early as 2018. Brad Leland, the Lockheed engineer who has headed the seven-year research effort, said Friday the new aircraft, dubbed the SR-72, was designed using off-the-shelf materials to keep it affordable in the current tough budget environment. He said the new plane offered game-changing capabilities to the military -- and a twin-engine demonstrator jet that could reach any target in an hour could be developed for under $1 billion in five to six years. nbcnews/science/son-blackbird-meet-sr-72-lockheeds-planned-new-hypersonic-spy-8C11528419
Posted on: Tue, 05 Nov 2013 19:58:25 +0000

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