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Acronym: GCN

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	RD	Round
	RR	Range Rate
	SSM	ESpace Shuttle Main Engine
	ESRO	European Space Research Organization
	NASTRAN	NASA Structural Analysis
	SCDA	Safing
	SOMS	Shuttle Orbiter Medical System
	OIC	Orbiter (Orbital) Integrated Checkout
	PVRO	Pyrotechnics
	HSCU	Hydraulic SUPPly And Checkout Unit