And they witnessed the crash. The students watched the liftoff. The rocket had 5,000 pounds of cargo, including the students experiments on microgravity. Nbc 10 has been talking to some of the parents. Live from the high school tonight, denise . Reporter jim, parnents say the students were rattled by the explosion and, obviously, disappointed. The principal asked them not to speak to the media and that the superintendent would be making comment tomorrow. And we have liftoff. Its third crs mission to the i. S. S. An unmanned rocket exploded into a ball of fire seconds after liftoff at 6 22 to be the. A disapointment that we were not able to fulfill our obligation to the International Space program. The people that were counting on the various hardware around componenand components going to the station. A letdown for the students in virginia. Their family tells me they were on a side road about a mile and a half from the launch pad with a clear view. The rock et cet carried supplie the s