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MS Symptoms Early

Acronym: DDA

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	SCI	Switch Closure In
	MES	Mission Events Sequence
	DDU	Display Driver Unit
	RJOD	Reaction Jet OMS Driver
	H/L	Hardline
	TSO	Time Since Overhaul
	MSBLS	Microwave Scan Beam Landing System
	ODC	Other Direct Costs
	PEB	Performance Evaluation Board
	STR	LStructural