The following is the May 13, 2026, Congressional Research Service report, U.S. Aircraft Combat Losses in Operation Epic Fury: Considerations for Congress. From the Report On February 28, 2026, the United States, in coordination with Israel, initiated military operations against Iran under the designation Operation Epic Fury (OEF). The conflict has involved air, maritime, and missile combat engagements across the Middle East. The pace of combat activity declined amid a ceasefire in April. Within weeks, some strikes resumed, and conditions remain fluid. The Department of Defense (DOD, which is “using a secondary Department of War designation,” under Executive Order 14347