 one of the reasons they are there are two reasons why i think that the laying the return one the the the the trust that give problems are on a part of the capsule it does not come back to earth it's called the service module it will burn up in the atmosphere so they won't get those thrusters back to look at them so the more data they can develop before they return to earth the better in trying to understand what caused the problem and fixing it that's one reason and the second reason is