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AIAA	American Institute of Aeronautics and Astronautics
ANSI	American National Standards Institute
COPVs	composite overwrapped pressure vessels
FFRDC	Federally Funded Research and Development Center
FSR	factors of safety requirements
KDF	knock-down factor
kPa	kilopascal
MDP	maximum design pressure
MEOP	maximum expected operating pressure
MSFC	Marshall Space Flight Center
	not applicable
NASA	National Aeronautics and Space Administration
NESC	NASA Engineering and Safety Center
psi	pounds per square inch
psia	pounds per square inch absolute
SI	Systeme Internationale, or metric system of measurement
SRM	solid rocket motor
STD	standard