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

|Fewer Letters|More Letters| |-------|---------|---| |BO|Blue Origin (Bezos Rocketry)| |C3|Characteristic Energy above that required for escape| |EVA|Extra-Vehicular Activity| |FCC|Federal Communications Commission| | |(Iron/steel) Face-Centered Cubic crystalline structure| |GTO|Geosynchronous Transfer Orbit| |HLS|Human Landing System (Artemis)| |SLS|Space Launch System heavy-lift| |SOP|Standard Operating Procedure| |ULA|United Launch Alliance (Lockheed/Boeing joint venture)| |USAF|United States Air Force|

|Jargon|Definition| |-------|---------|---| |Starlink|SpaceX's world-wide satellite broadband constellation|

^(11 acronyms in this thread; )^(the most compressed thread commented on today)^( has 15 acronyms.)
^([Thread #8542 for this sub, first seen 10th Feb 2023, 15:53]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])