Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
RP-1	Rocket Propellant 1 (enhanced kerosene)
RPi	Raspberry Pi brand of SBC
SBC	Single-Board Computer
SRB	Solid Rocket Booster
VPN	Virtual Private Network

Jargon	Definition
Starlink	SpaceX’s world-wide satellite broadband constellation

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