naas has stressed the astronauts _ this. naas has stressed the astronauts are _ this.. naas has stressed the astronauts are not -- a i this. naas has stressed the | astronauts are not -- a safe astronauts are not —— a safe are not stranded and could come back on starliner if there is an emergency. they want to get to the bottom of the problems before they bring watch and sunny home. before they bring watch and sunny home-— before they bring watch and sunny home. the route to the roblem sunny home. the route to the problem has _ sunny home. the route to the problem has not _ sunny home. the route to the problem has not been - problem has not been understood, or announced it has been understood. so they have to make a judgement about calling the return based on incomplete information. if you do not really understand the cause of anyone failure you cannot say for sure if you have a systematic problem which will affect your prime system and any further backups.- affect your prime system and any further backups. nasa says it will be july — any further backups. nasa says it