Marine Safety Office (U.S. Coast Guard)
United States Army Medical Research Institute of Infectious Disease
Airbase
Acronyms are words that are usually abbreviated with the first character of each word. It is a way to convey information faster. Like the computer industry, the military is chock-full of acronyms.
Need a random acronym used by the military? Get funny, weird, and obscure military jargon with this tool.
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Source: Wikipedia.