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MS Symptoms Early

Acronym: SIS

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	TDD	Task Description Document
	MY	MMY Man Year
	G&NGUIDANC	And Navigation
	PM	Payload Midbody
	CBW	Constant Bandwidth
	TPC	Telemetry Preprocessor Computer
	PKM	Perigee KickMotor
	N/C	Normally Closed
	SPS	Service Propulsion Subsystem
	PM	Preventive Maintenance