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

|Fewer Letters|More Letters| |-------|---------|---| |ASAT|Anti-Satellite weapon| |ESA|European Space Agency| |GEO|Geostationary Earth Orbit (35786km)| |GSO|Geosynchronous Orbit (any Earth orbit with a 24-hour period)| | |Guang Sheng Optical telescopes| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |MEO|Medium Earth Orbit (2000-35780km)|

^(6 acronyms in this thread; )^(the most compressed thread commented on today)^( has 16 acronyms.)
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