JPSS-3 & JPSS-4

 

Photos credit: Northrop Grumman

JPSS-3 is visible in the foreground of the photo as a large rectangle covered in orange mylar with hardware attached. JPSS-4 is in the background of the photo, in the bottom left. It appears as a silver rectangle with wires and hardware attached. Both spacecraft are attached to white rollover fixtures. The satellites sit in a large, white room with rows of lights on the ceiling and a large observation window in the top, center of the photo. The room has a tan floor with black stanchions and black and y
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JPSS-3 and JPSS-4 are shown side-by-side at the Northrop Grumman Spacecraft Facility in Gilbert, Arizona in October. The JPSS-3 zenith panel is in the foreground of the photo, while the nadir deck of JPSS-4 spacecraft bus is visible in the…
The JPSS-4 spacecraft appears as a silver rectangle in the center of the image with wires and hardware attached to the silver panel. The spacecraft is attached to a white, rotating fixture and sits in a white room with an observation window in the top, center of the image. The room also contains metal crates, a desk, a chair, trash can, and metal stepping stool.
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The nadir, or Earth-facing, deck of JPSS-4, early on in assembly. The instruments will be integrated on this panel of the spacecraft.
The JPSS-4 spacecraft bus appears in the center of the image as a silver rectangle with wires and hardware covering the surface while a person in a white, bunny suit works towards the right-hand end of the spacecraft. The satellite is attached to a white, rotating fixture in a white room with florescent lights lining the ceiling. A blue desk with two chairs and a monitor sits in the bottom center of the image. Two green, rolling tables also appear in the bottom of the image.
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The zenith panel of JPSS-4, early on in assembly. The spacecraft is attached to a rollover fixture to orient the satellite for assembly.