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Acronym: OPP

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	COAS	Crewman Optical Alignment Sight
	O/R	Oxygen Relief
	RSU	Remote ServiceUnit
	NC	Numerical Control
	SAP	Site Activation Need Date
	TOO	Threshold Of Odor
	MM	Mass Memory
	PCS	Payload Checkout System
	SSPDS	Space Shuttle Payload Data Study
	FRE	Format Request Element