you. okay. one of the things that we have actually seen with this mission that comes full to light is space exploration has to have many, many backups. right? so that means that if a system goes wrong, you have to have something so if the parachutes don t deploy, you still have boosters. it s the mini backups that start to make you feel safe when you re embarking on such a what s really an extraordinarily dangerous kind of journey. what will happen is you ll go back and the engineers, everyone will try to understand what happened with the doors. what was the engine issue? are there things that we need to do to change that? it was mentioned about the space shuttle that didn t the ability to pull off. so the apollo rockets, when you have the capsules, all of them had the ability to pull the capsule off of the launch stack. so those are things you learn