Their current 3D model also shows just one seat: https://boomsupersonic.com/xb-1/model https://boomsupersonic.com/xb-1/model Maybe they plan to put a second s

Their current 3D model also shows just one seat: https://boomsupersonic.com/xb-1/model https://boomsupersonic.com/xb-1/model Maybe they plan to put a second seat behind it sometimes?