Just thought I'd post this because it's relevant to the little debate me and Damocles had months back about the Russians landing a retroreflector on the moon as part of a unmanned landing. It has now been rediscovered and is still in brilliant working order, far better working order in fact than any of the other retroreflectors: <a class="postlink" href="http://science.nasa.gov/science-news/science-at-nasa/2010/03jun_oldrover/" onclick="window.open(this.href);return false;">http://science.nasa.gov/science-news/sc ... _oldrover/</a>