SOFIA and its facility Far Infrared Camera HAWC R. Evans, D. A. Harper, S. Casey, J. A. Davidson, I. Gatley, J. Kastner, R. Loewenstein, S. H. Moseley, R. Pernic and J. Wirth EAS Publications Series, 4 (2002) 239 Published online: 25 September 2002 DOI: 10.1051/eas:2002082