. >> i'm mark keeton, the head sponsor. >> i'm andrew heath, and this is the rest of our team. >> first of all, congratulations. you not only won the team america rocketry challenge, you went on to win the international finals, as well. what was that like? >> well, it was extremely exciting. you know, after putting in all that hard work and working the long hours, after winning, it felt amazing. >> it was very overwhelming. it was just a great experience to be able to go, and it was very interesting to be able to be there and compete with the rest of the teams. >> just so everyone understands the exact rules, explain what you were judged on. >> well, we were challenged to build a rocket. that rocket had to reach an altitude of 800 feet, return within a flight time of 46 to 48 seconds, and safely carry a raw chicken's egg. and also, in the international competition, we also had to do a 10-minute presentation along with a question-and-answer section afterwards. >> in all, how many teams were you competing against? >> to be able to go to washington, there was around 700 teams, and once we