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	Cooler Radiator Panel
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.	Engineering Model (EM) Optical Elements	Engineering Model (EM) Cryocooler
Engineering Model (EM) Instrument	Flight Decoder System	Flight Space View Aperture
Flight Telescope Scan Mirror Assembly