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This study presents a projected crew task timeline and skill mix for the exploration of the lunar surface in the Habot mobile lunar habitat. It takes the approach of defining crew task sets for crews of 8, 6, and 4, crewmembers to carry out proportionate amounts of work, corresponding to how many crewmembers are on the mission. It provides for the division of responsibilities between crewmembers who perform EVA and IVA tasks, and between those who go on an excursion away from the base and those who remain at the base. A particular feature of the model is that the amount of time devoted to science is set as a constant -- an inviolable amount of crew time that normal maintenance and operations work cannot erode. The importance of this capability arises from the International Space Station experience in which sometimes only 100 crew-minutes per day, or even less, has been available for science.