The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The U.S.'s worldwide actions of assassination strikes, military engagements, and, wars, etc., against Islamist terrorism, since 9/11 (2001-09-11); including the US-Iraq War (Gulf War II), US-Afghanistan War, US Afghanistan Occupation, US Iraq Occupation, War against Da'esh (ISIS's unrecognized state), strikes on Da'esh, strikes on Al'Qaeda, strikes on IS-K. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.