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

|Fewer Letters|More Letters| |-------|---------|---| |CCtCap|Commercial Crew Transportation Capability| |CST|(Boeing) Crew Space Transportation capsules| | |Central Standard Time (UTC-6)| |ECLSS|Environment Control and Life Support System| |GAO|(US) Government Accountability Office| |ICPS|Interim Cryogenic Propulsion Stage| |SLS|Space Launch System heavy-lift| |SRB|Solid Rocket Booster| |TLI|Trans-Lunar Injection maneuver|

|Jargon|Definition| |-------|---------|---| |Starliner|Boeing commercial crew capsule CST-100| |Starlink|SpaceX's world-wide satellite broadband constellation| |crossfeed|Using the propellant tank of a side booster to fuel the main stage, or vice versa|

^(11 acronyms in this thread; )^(the most compressed thread commented on today)^( has 18 acronyms.)
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