STScI . JWST . ... White Papers . ... Instruments . ... Its main purpose is to provide a realistic test bed for the design and implementation of the JWST ground system at STScI, and for simulations of the operating schedule for the observatory and its instruments. ... In the course of working on the development of JWST, the Science Working Group and other scientists working on Webb have written a variety of white papers describing science programs that might be carried out with JWST and how. ...