The biggest problem I can see is that Mercury isn't built for missions of any real duration. Electrical power was provided entirely by batteries, for instance. Gemini would be a better choice, but can Molniya (or any of the other R-7 variants) loft that to the Moon? <div class="Discussion_UserSignature"> <p> </p><p><font color="#666699"><em>"People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff."</em> -- The Tenth Doctor, "Blink"</font></p> </div>