[20180418]IF10828_国际空间站（ISS）和政府关于到2025年结束NASA直接资助的提议.pdf

https:/crsreports.congress.gov Updated April 18, 2018The International Space Station (ISS) and the Administrations Proposal to End Direct NASA Funding by 2025Introduction The Trump Administrations FY2019 budget for the National Aeronautics and Space Administration (NASA) proposes to end direct NASA funding of the International Space Station (ISS) by 2025. Budget documents state that industry “could potentially continue to operate certain elements or capabilities.” Some reports have characterized this proposal as commercialization of the ISS. Under the Administrations plan, NASA would focus its human spaceflight activities on the Moon and deep space; it would rely on commercial partners for its research and technology demonstration needs in low Earth orbit. This CRS In Focus provides background on the ISS, its governing international agreements, its planned service life, the ongoing commercialization of U.S. ISS access, and current commercial use of the ISS. It concludes with a brief discussion of congressional options. Figure 1. The International Space Station, viewed from space shuttle Endeavour in 2011. Source: NASA. What Is the ISS? The ISS orbits Earth about every 90 minutes a