; and (2) the Administrator should continue to develop the Wide-Field Infrared Survey Telescope with a development cost of not more than $3,200,000,000. (b) Project continuation The Administrator shall continue to develop the Wide-Field Infrared Survey Telescope to meet the objectives outlined in the 2010 decadal survey on astronomy and astrophysics of the National Academies of Sciences, Engineering, and Medicine in a manner that maximizes scientific productivity based on the resources invested. 306. Satellite servicing for science missions (a) Study (1) In general The Administrator shall conduct a study on the feasibility of using in-space robotic refueling, repair, or refurbishment capabilities to extend the useful life of telescopes and other science missions that are operational or in development as of the date of the enactment of this Act. (2) Elements The study conducted under paragraph (1) shall include the following: (A) An identification of the technologies and in-space testing required to demonstrate the in-space robotic refueling, repair, or refurbishment capabilities described in paragraph (1). (B) The projected cost of using such capabilities, including the cost of extended operations for science missions described in that paragraph. (b) Briefing Not later than 1 year after the date of the enactment of this Act, the Administrator shall provide to the appropriate committees of Congress and the Space Studies Board of the National Academies of Sciences, Engineering, and Medicine a briefing on the results of the study conducted under subsection (a)(1). 307. Earth science missions and programs (a) Sense of Congress It is the sense of Congress that the Earth Science Division of NASA plays an important role in national efforts— (1) to collect and use Earth observations in service to society