90-day wonder (derogatory)

What is 90-day wonder (derogatory)?

90-day wonder (derogatory) meaning in Military or Military Slang terminology / glossary / dictionary is:
A newly-commissioned (O-1) graduate of Officer Candidate School or DIRCOM (Direct Commissioning) program. During WWII, Korea, and early Vietnam, prior to 1970, this terminology referred only to graduates of OCS, which was also derisively known as the “Oklahoma Cook’s School.” From 2004-2005, the U.S. Marine Corps had a 90 day reservist option that allowed a Marine to enlist, do boot camp, then return to civilian life without attending advanced schooling to finish high school.

 

reference: Glossary of military slang

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