NASA wraps up Space Launch System engine test, Buzz Aldrin points way to Mars
Ars Technica 2015-08-28
Summary:
RS-25 rockets from Aerojet Rocketdyne completed seven “hot fire” tests.
Link:
http://feeds.arstechnica.com/~r/arstechnica/index/~3/6jA-jrczuaU/From feeds:
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