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    Helmut Gröttrup - project

    I am looking for various information on USSR rocket designs being developed by the Helmut Gröttrup team. On the website: http: //www.astronautix.com/i/irbm.html and http://www.friends-partners.org/mwade/lvfam/earsiles.htm there are several such examples: G-1 (Г-1), G-4 (Г-4), R-3A (Р-3А). I am...