This expands over 25,000 NASA acronyms.
Search engine: https://nasaacronyms.com or https://nasaacronyms.com?[insert acronym]
Chrome: https://chrome.google.com/webstore/detail/nasa-acronyms/anpbkdhjbebjjkgdbglbcfaenjldbinf
Firefox: https://addons.mozilla.org/addon/nasa-acronyms
Authors: Joel Malissa & Logan Stafman
Contact: joel.d.malissa@nasa.gov