Essentially all non combat roles in the military are filled with cowards who are afraid of offending others. Almost every single role in the navy is non combat. These people then go on to claim how everyone is the same because in their experience, they were all required to do the bare minimum to turn a bolt or wash a floor in a ship. Same goes with the air force. Same with the coast guard. The veterans from the Marines and army that were actually Infantry typically have more choice things to save.