Technicians guide removal of the upper rigid door assembly that covers the telescope cavity on NASA’s SOFIA 747SP in preparation for primary mirror removal.February 20, 2008
NASA Photo / Tony Landis
ED08-0041-100
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Technicians guide removal of the upper rigid door assembly that covers the telescope cavity on NASA’s SOFIA 747SP in preparation for primary mirror removal.February 20, 2008
NASA Photo / Tony Landis
ED08-0041-100