The most-traveled product ever to leave New Hampshire has, scientists hope, completed a second trip from New Ipswich to Mars, and a couple more will be on the way early next year. The product is a fabric of high-strength Vectran fibers in an incredibly tight weave used by NASA to create giant airbags to protect three craft as they bounce onto the Red Planet, just as the airbags protected the Mars Pathfinder mission in 1997. It was made by Warwick Mills.