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

|Fewer Letters|More Letters| |-------|---------|---| |ESA|European Space Agency| |L4|"Trojan" Lagrange Point 4 of a two-body system, 60 degrees ahead of the smaller body| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)|

^(3 acronyms in this thread; )^(the most compressed thread commented on today)^( has 19 acronyms.)
^([Thread #8453 for this sub, first seen 19th Jan 2023, 21:58]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])