; (4) the Administrator should take into account the lessons learned from the cost and schedule issues relating to the development of the James Webb Space Telescope in making decisions regarding the scope of and the technologies needed for future scientific missions; (5) in selecting future scientific missions, the Administrator should take into account the impact that large programs that overrun cost and schedule estimates may have on other NASA programs in earlier phases of development; and (6) the Administrator should continue to develop the James Webb Space Telescope with a development cost of not more than $9,000,000,000, as estimated by the James Webb Space Telescope Independent Review Board Report released in May 2018. (b) Project continuation (1) In general The Administrator shall continue— (A) to closely track the cost and schedule performance of the James Webb Space Telescope project; and (B) to improve the reliability of cost estimates and contractor performance data throughout the remaining development of the James Webb Space Telescope. (2) Key program objective The Administrator shall continue to develop the James Webb Space Telescope on a schedule to meet the objective of safely launching the James Webb Space Telescope not later than March 31, 2021. 305. Wide-Field Infrared Survey Telescope (a) Sense of Congress It is the sense of Congress that— (1) major growth in the cost of astrophysics flagship-class missions has impacted the overall portfolio balance of the Science Mission Directorate