OEF

Military abbreviation · Military Term

OEF
Stands forOperation Enduring Freedom
CategoriesMilitary

OEF stands for Operation Enduring Freedom, a military term abbreviation.

US military operation in Afghanistan launched on October 7, 2001, to topple the Taliban and pursue al-Qaeda, ending in December 2014; the name also covered related operations in the Philippines and the Horn of Africa.

Example: He served with the 10th Mountain Division on OEF in Kunar Province.

Usage notes

After 2014, the US mission in Afghanistan continued as Operation Freedom's Sentinel (OFS) until the withdrawal in August 2021. The war in Afghanistan was the longest in US history. Veterans often write OEF with year groups, such as OEF 10-11.

More military term abbreviations

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  • NWU – Navy Working Uniform
  • OCIE – Organizational clothing and individual equipment
  • OCONUS – Outside the continental United States
  • OCP – Operational Camouflage Pattern
  • OCS – Officer Candidate School
  • OER – Officer Evaluation Report
  • OHA – Overseas Housing Allowance
  • OIC – Officer in charge
  • OIF – Operation Iraqi Freedom
  • OIR – Operation Inherent Resolve
  • OND – Operation New Dawn

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