ability to control his altitude. each time it made things a little better just learning from the previous flight. >> i started using a pilot's parachute, which is nice and comfortable. we had more balloons, more ballast, we got more security and safety. better communication between the ground crew. >> july 5, 2008. kent couch attempts to fly from bend, oregon, to boise, idaho, and break his record of 193 miles traveled in a cluster balloon. >> on launch day, we had to be up at 3:30 in the morning. >> it's usually about 50 to 70 volunteers that make this thing work. we'd normally have four or six helium stations. each station has four people on it with a different role. >> it takes a minute or two to blow up one balloon. we don't want to blow them up all the way because we want room for them to expand. >> after all the balloons are staged, we put them in clusters of five.