have you ever heard or seen of this particular type of helium balloon? or has there been much chatter on the blogs or the websites overtime fast several years about this particular design? >> no, no i haven't seen anything particularly like this. we certainly have a lot of experience launching different kinds of balloons. but i have never seen anything like this before. >> i was curious about how quickly something like this -- i know this is a very unusual aircraft, but how quickly would to get off the ground and get high enough that it would be a danger for the boy to jump out? it was tethered in the backyard of the home. we have not been able to see the backyard but a reporter on the scene said it's a pretty small backyard and there are a number of trees around there from the vantage point i'm seeing here. >> from the numbers that i saw, the size of the craft and the wait of the craft, the buoyant force on it was pretty significantly greater than its