System 3 News Today

>> looks lake ike we have a lea high system 3, now. shepard: houston, we simulate aid problem and this shuttle must come home, immediately. >> if you never flew backwards at a rocket in mach-5, this is your one opportunity. >> reporter: the commander and his team are veterans of the space program. what is happening today never happened for real. shepard: it felt like it was falling apart. >> 12 years of training, that is what you are looking at, year 2 or 3, wed be looking the same way, but we d...