KENNEDY SPACE CENTER, FLA. -- Workers in Building AE adjust the payload attach fitting for the Space Infrared Telescope Facility (SIRTF), in the background. SIRTF will be mated with the Delta II launch vehicle via the fitting. SIRTF is currently scheduled for transportation to Launch Complex 17-B, Cape Canaveral Air Force Station, and hoisting atop the Delta II on or about April 4. - NASA Kennedy Center Media Archive Collection