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MS Symptoms Early

Acronym: DDU

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	PDAR	Program Description And Requirements
	PF	Pulse Frequency
	M&RF	Maintenance And Refurbishing Facility
	CSS	Computer Subsystem
	FC	Flight Control
	HEX	Hexadecimal
	MER	Meridian
	NO	Normally Open
	TCG	Test Control Group
	COMM	Communications