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Episode Links:

SR-71 Blackbird- NASA

Creating The Blackbird- Lockheed Martin

I forgot to mention this in the podcast, I'm going to do an episode on Aerospike engines in the future. This one was tested on a SR-71.

HL-10 Lifting Body- NASA

NASA Armstrong Fact Sheet: HL-10 Lifting Body

NASA selects comet and Titan missions as New Frontiers finalists- Jeff Foust, SpaceNews.com