Acronym: PTO

Category: NASA Acronyms Meaning / Stands for: Participating Test Organizations

Other acronyms from this category

	Acronym	Meaning
	IVL	Lntervatometer
	MTU	Master Timing Unit
	HTR	Heater
	MAL	Mobile Airlock
	SLI	ERNO Spacelab Integration And Test
	LM	Interface Module
	MCIU	Master Control And Interface Unit
	VL	Expendable Vehicles (KSC VO Dir.)
	HRPS	Hazard Reduction Precedence Sequence
	MOM	Moment