; and (7) recommendations on any other relevant factors and issues regarding the use of commercial Earth observation data for the purposes of conducting Earth science research. (c) Transmittal The Administrator shall transmit the results of the study to the Committee on Science, Space, and Technology of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate not later than 18 months after the date of enactment of this Act. 315. Plankton, Aerosol, Cloud, ocean Ecosystem mission (a) In general The Administrator shall continue development of the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission to advance 2007 National Academies decadal survey priorities for systematic measurements on clouds and aerosols and global ocean color measurements that extend systematic data records for Earth system and climate science, including on the carbon cycle and ocean biogeochemistry. (b) Cost and Schedule In carrying out the development in subsection (a), the Administrator shall follow all requirements under section 30104 of title 51, United States Code. 316. CLARREO Pathfinder (a) In general The Administrator shall continue development of the Climate Absolute Radiance and Refractivity Observatory (CLARREO) Pathfinder mission, as recommended by the 2007 National Academies decadal survey, to demonstrate measurement capabilities, verify the accuracy of radiometry for long-term climate studies, and to help provide a baseline climate record for shortwave reflectance and infrared measurements. (b) Cost and Schedule In carrying out the development in subsection (a), the Administrator shall follow all requirements under section 30104 of title 51, United States Code. B Astrophysics 321. Wide Field Infrared Survey Telescope (a) In general The Administrator shall continue development of the Wide Field Infrared Survey Telescope (WFIRST), in the configuration established through preliminary design review, to meet the objectives prioritized in the 2010 decadal survey of astronomy and