 | Engineering Model (EM) Chopper Trial Assembly: Primary Mirror Side |
 | Engineering Model (EM) Chopper Trial Assembly: Secondary Mirror Side |
 | Assembled Outer Structure |
 | Sun-Shield Aperture |
 | Sun-Shield Door |
 | Sun-Shield Mechanism |
 | Sun-Shield Mechanism |
 | Partially Completed Optical Bench Assembly |
 | Focal Plane Detectors |
 | Cryomechanical Unit |
 | Cooler Control Unit |
 | Power Converter Unit: Assembled Converter Module |
 | Power Converter Unit: GEU Secondary Power Board |
 | In-flight Calibrator (IFC) Black Body Unit with a Cover over the Aperture |
 | In-flight Calibrator (IFC) Black Body Unit:
Inner Assembly Showing Inner Low Conductivity Support |
 | Assembled HIRDLS Instrument |
 | Assembled HIRDLS Instrument |