Two of the 12 people to have set foot on the moon’s surface, NASA astronauts Edgar Mitchell and Charles Duke, will be aboard the 700-guest Seven Seas Voyager on the final segment of Regent Seven Seas Cruises’ Feb. 1-May 8, 2009, world cruise. Suites left for the 20-day segment from Istanbul to Fort Lauderdale, April 18-May 8, cost $8,495-$30,250 per person, double. RSSC (877/505-5370, www.rssc.com or travel agent).