Von Braun proposed Mars Spacecraft for the 1980's

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While this thread here deals with the nuclear shuttle technology http://www.secretprojects.co.uk/forum/index.php/topic,6177.0/all.html I thought of using this thread for the proposed Mars missions themselves for the early 1980's

 

[ozmosis]

Images of MEM (Mars excursion module) and 1969 mission concepts

 

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Boeing variation on nuclear shuttle and 2 cut-away diagrams

 

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From http://www.bisbos.com/rocketscience/spacecraft/nerva/nerva.html