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

|Fewer Letters|More Letters| |-------|---------|---| |BE-4|Blue Engine 4 methalox rocket engine, developed by Blue Origin (2018), 2400kN| |CST|(Boeing) Crew Space Transportation capsules| | |Central Standard Time (UTC-6)| |FAA|Federal Aviation Administration| |NSF|NasaSpaceFlight forum| | |National Science Foundation| |SLS|Space Launch System heavy-lift| |ULA|United Launch Alliance (Lockheed/Boeing joint venture)|

|Jargon|Definition| |-------|---------|---| |Starliner|Boeing commercial crew capsule CST-100| |Starlink|SpaceX's world-wide satellite broadband constellation| |methalox|Portmanteau: methane fuel, liquid oxygen oxidizer|

^(7 acronyms in this thread; )^(the most compressed thread commented on today)^( has 16 acronyms.)
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