; (B) has the capability for periodic human habitation; and (C) can function as a point of departure, return, or staging for Administration or nongovernmental or international partner missions to multiple locations on the lunar surface or other destinations. (d) Requirements In carrying out the programs under subsection (b) and subsection (c), the Administrator shall— (1) enter into industry-led partnerships using a fixed-price, milestone-based approach; (2) to the maximum extent practicable, encourage reusability and sustainability of systems developed; (3) ensure availability of one or more lunar polar science payloads for a demonstration mission; and (4) to the maximum extent practicable, offer existing capabilities and assets of NASA centers to support these partnerships. (e) Full utilization of space launch system, exploration upper stage, and exploration ground systems In carrying out the program under subsection (b), the Administrator shall— (1) to the maximum extent practicable, make use of the Space Launch System, Exploration Upper Stage, Exploration Ground Systems, and associated facilities and infrastructure available for the launch of an integrated Human Landing System