host: lori garver, welcome to c-span. guest: i think there was a really good chance it wasn't going to go today. most rockets have whether to deal with and working through some technical kinks. the first time rocket of this complexity, i think it was expected. so many of my friends and colleagues down in florida, i feel bad for them. this shouldn't have any bearing on the long-term operations. i think we are going to work through a couple of these things probably over the coming weeks. host: will there be motivation to keep working through because of setbacks like this? guest: of course. there have been so many setbacks that the motivation is there. it has been more than 10 years in the making. people on it prepping for a launch, i think it takes a lot of care to do. they are familiar with the different elements of this rocket because so many are reused from the space shuttle. it is an entirely different configuration. it is a new generation of engineers for the most part. most of these people didn't grow up at nasa with