The door is a major issue to using super heavy to deliver other payloads which is a goal long term and the need for a heat shield on the bottom makes it hard to

The door is a major issue to using super heavy to deliver other payloads which is a goal long term and the need for a heat shield on the bottom makes it hard to make it fully open towards the front. Kind of need to have this fairly well sorted from the beginning because new designs mean new testing and certification which are expensive.