(1970s), galileo(~1980), sirtf and mips (1970s-1990s), and hubble space telescope instruments [1977–present] (ghrs, stis, costar, acs, cos, wfc3); jwst (1995–2000), kepler (mid-1990s), tpf (2001 to present), and destiny (2003–present). he has had one or more instruments flying continuously in space since the early 1970s.