uctive science missions and halt nearly all future investments in exploration and innovation. The signatories John Grunsfeld, Alphonso Diaz, Lennard Fisk, Wesley Huntress, Alan Stern, Edward Weiler, and Thomas Zurbuchen each served as Associate Administrator for NASA's science program. They are
Alphonso Diaz (1987-1991), Tony West (1979-1983), Michael Dodge (1998-2002), Chris Dearth (1999-2003), Jennifer Ostry (1999-2003), Jmaes Zelinko (1991-1995)