 The RM would seat up to six crew members, with two to a row, and the CM has living space and provisions for four astronauts for 5–7 days.Extra-Vehicular Activities (EVAs) could be conducted from the CM, which could land on land or water and could be reused 5–10 times.The mission module would be added to the bottom of the CEV for a lunar mission, and would be able to hold extra consumables and provide extra space for a mission of lunar duration.