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A comment on SpaceX Successfully Soft-Landed Booster Rocket in the Atlantic. Parent comment

Re:SpaceX Successfully Soft-Landed Booster Rocket in the Atl... by avmich on Friday April 25, 2014 @02:57PM (#7648405)
Only NK-33 modified into AJ-26 used on Antares rockets is manufactured in early 1970-s. RD-180 was designed in 1990-s, about the same time as RS-68, the engine from Delta-IV first stage.
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