Operation Enduring Freedom (OEF) was the official name used by the U.S. government for the Global War on Terrorism. On 7 October 2001, in response to the September 11 attacks, President George W. Bush announced that airstrikes targeting Al-Qaeda and the Taliban had begun in Afghanistan.Operation Enduring Freedom primarily refers to the War in Afghanistan,but it was also affiliated with counterterrorism operations in other countries, such as OEF-Philippines and OEF-Trans Sahara.
After 13 years, on 28 December 2014, President Barack Obama announced the end of Operation Enduring Freedom in Afghanistan.[Subsequent operations in Afghanistan by the United States’ military forces, both non-combat and combat, occurred under the name Operation Freedom’s Sentinel.