Examining The Future of the International Space Station, Statement of NASA IG Paul Martin
"While all of these actions are positive steps, NASA's current plan to privatize the ISS remains a controversial and highly debatable proposition, particularly with regard to the feasibility of fostering increased commercial activity in low Earth orbit. Specifically, it is questionable whether a sufficient business case exists under which private companies can create a self-sustaining and profit-making business independent of significant Government funding. In particular, it is unlikely that a private entity or entities would assume the Station's annual operating costs, currently projected at $1.2 billion in 2024. Such a business case requires robust demand for commercial market activities such as space tourism, satellite servicing, manufacturing of goods, and research and development, all of which have yet to materialize.
Candidly, the scant commercial interest shown in the Station over its nearly 20 years of operation gives us pause about the Agency's current plan. This concern is illustrated by NASA's limited success in stimulating non-NASA activity aboard the Station through the Center for the Advancement of Science in Space, Inc. (CASIS). Established in 2011 to facilitate use of the ISS by commercial companies, academia, and other Government and non-Government actors for their research or commercial purposes, CASIS's efforts have fallen short of expectations. Apart from these privatization challenges, the amount of cost savings NASA may realize through commercialization of the ISS may be less than expected given that significant expenditures - particularly in crew and cargo transportation and civil servant costs - will likely continue even if many low Earth orbit activities transition to a privatized ISS or another commercial platform."
"Even if the Agency ends direct funding of the ISS in 2025 as envisioned in the President's FY 2019 budget request, it is unlikely that the bulk of the funding currently devoted to the ISS Program could be immediately diverted to these and other exploration activities. Even with termination of most Station activities, NASA expects to retain a presence in low Earth orbit and therefore would need to fund related crew and cargo transportation costs. Furthermore, significant funding would be required to maintain offices and infrastructure currently funded by the ISS Program such as the Mission Operations office, which is expected to be needed by future exploration programs."
"In January 2017, NASA completed a draft plan to address various deorbit scenarios; however, the plan has not been finalized and is pending review by the Russia Space Agency. And, while NASA engineers continue to work on the technical details of deorbit scenarios, the Agency presently does not have the capability to ensure a controlled deorbit of the ISS in the event of an emergency."
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