Acronym: HAC

Category: NASA Acronyms Meaning / Stands for: Heading Alignment Cylinder

Other acronyms from this category

	Acronym	Meaning
	CD	Candella (Luminous Intensity)
	DCSU	Digital Computer Switching Unit
	NICD	NNICDNickel Cadmium
	TD	Terminal Distributor
	SRT	Station Readiness Test
	TSC	Test Support Coordinator
	HDRR	High-data-rate Recorder
	ST	SPace Telescope
	SC	Support Contractor
	B/C	Bench Check