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Acronym: UD

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	TRR	Test Readiness Review
	SSM	Systems Support Module
	FR	Frame
	FFD	Functional Flow Diagram
	BTR	Bus Transfer
	LDEF	Long Duration ExPosure Facility
	ERNO	Germany (SPacelab Contractor)
	PHA	Preliminary Hazard Analyses
	LGA	Low Gain Antenna
	G/S	Guided Steering