SR 72 links

> Lockheed Martin
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> http://tinyurl.com/oanjn5s
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> Exclusive: Skunk Works Reveals SR-71 Successor Plan (Av Week)
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> http://tinyurl.com/m8mvtmu
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> SR71 Engines vs SR72 Engines (Av Week)
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> http://tinyurl.com/lt8sl5k
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> Lockheed Martin's Skunk Works reveals a Mach 6 strike successor of SR-71 Blackbird dubbed SR-72 (the Avionist)
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> http://tinyurl.com/pzdoqsu
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> PICTURES: Skunk Works reveals Mach 6.0 SR-72 concept (Flight Global)
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> http://tinyurl.com/oxgpbpv
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> SR-72 - So What Did Boom Los Angeles? (Ares Blog-AvWeek)
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> http://tinyurl.com/oueea26