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MS Symptoms Early

Acronym: MSL

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	PDM	Processor Data Monitor
	SPG	Single Point Ground
	HFA	High Frequency Accelerometer
	DRM	Design Reference Mission
	PLS	Propellant Loading System
	PSIG	Pounds Per Square Inch Gauge
	O&C	Operations And Checkout
	PCM	Punch Card Machine
	HAC	Heading Alignment Cylinder
	MUA	Material(s) Usage Agreement