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Acronym: PFRX

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	SL	SPacelab
	PAE	Problem Assessment Engineer
	PSA	Payload Service Area
	HFTS	Horizontal Flight Test Simulator
	HDA	Housekeeping Data Acquisition
	PWM	Pulse-Width Modulation
	N2H4	Hydrazine
	PVT	Preflight Verification Test
	EV	Expendable Vehicles
	TPM	Terminal Phase Midcourse