This is the launch of the 12" Modular Booster at WOOSH Eat Cheese of Fly in Aug 2011. It flew on a Cesaroni L3150, and carried the Vanessa Doofenshmirtz legged lander, my entry in the Kelly Legged Lander Challenge. Her build is detailed on the Rocketry Forum on this thread... http://www.rocketryforum.com/showthread.php?t=16819 (starting with entry 107 on page 4)