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15 March 2002
Survive launch loads, of course.
Once on orbit, to keep the 6 optics stable relative to each other to
10 microns. With an aluminum housing, this translates to keeping the temperature steady to ~ 0.25 deg C.
Provide re-closable lid
Provide 3 element filter wheel and unfiltered path, not particularly sensitive to positional placement or repeatability. Agility of the wheel is not yet specified.
Total Mass ~