; and (2) the potential viability of commercial space stations as an alternative to the ISS for carrying out— (A) the research requirements of the Human Research Program and the requirements recommended in sections 226(b) and 307; (B) to test systems necessary for crewed, long duration deep space missions; and (C) key capabilities at NASA Centers that can be leveraged for the Administration’s continued safety in and use of low Earth orbit. 222. Priorities for ISS utilization (a) In General The Administrator shall prioritize the use of available NASA allocation of crew time and resources on the International Space Station toward research and technology development that enables the Moon to Mars goal in section 202. Priority research and development areas should include— (1) the research of the Human Research Program, including research on reduction of human health and performance risks, behavioral and psychological risks, and astronaut safety related to long-duration human spaceflight, and the development of countermeasures to mitigate those risks; (2) the reduction of risks for exploration technologies, including for ECLSS, extravehicular activity and space suits, environmental monitoring, safety, and emergency response, deep space communications, among other critical enabling technologies for human exploration of deep space identified in section 203(f)