TARC is a model rocket competition for U.S. students currently enrolled in grades 7 through 12. An adult must supervise all teams. Minimum team size is three students and maximum is fifteen students. The winning teams will share a grand prize pool of over $60,000 in cash and scholarships. Registration for the 2008 Team America Rocketry Challenge opens Sept. 5, 2007. Visit the TARC website in September to register your team.