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

|Fewer Letters|More Letters| |-------|---------|---| |DLR|Deutsches Zentrum fuer Luft und Raumfahrt (German Aerospace Center), Cologne| |ESA|European Space Agency| |MER|Mars Exploration Rover (Spirit/Opportunity)| | |Mission Evaluation Room in back of Mission Control|

^(1 acronyms in this thread; )^(the most compressed thread commented on today)^( has 3 acronyms.)
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