Mars 2020 and uncrewed Orion co-manifested on one SLS flight?
Mars 2020 and uncrewed Orion co-manifested on one SLS flight?(70 Tons to LEO)
(A)(1) Saves $ 350 Million from EELV launch costs to Mars 2020
(A)(2) use this savings to build second Mars 2020 spacecraft(like MER)
(A)(3)fly EML-2 with one of the Mars 2020 spacecraft for a Orion shakedown cruise on a mars fly by instead of Lunar flyby,captures the public imagination!
(A)(4) fly second Mars 2020 co manifested on a SLS or Mars sample return; this is Mars 2022 or Mars sample return with a ARM deimos bouder return
Yellow Dragon, a mission to repurpose existing ideas into new ideas 
Thhanks great blog
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