Havana Syndrome: The Invisible Weapon Inside the U.S. Embassy
Late in 2016, a U.S. diplomat in Havana woke with a severe headache, a crushing pressure inside the head, a piercing sound that reached only one ear, and a loss of balance. Soon other staff members and their relatives described almost the same experience: a loud noise that arrived without warning, ringing ears, dizziness, nausea, blurred vision, poor concentration, and short-term memory failure.
⬛ CONFIDENTIAL nhat141210/data 8/17/2026 1 min read
Late in 2016, a U.S. diplomat in Havana woke with a severe headache, a crushing pressure inside the head, a piercing sound that reached only one ear, and a loss of balance. Soon other staff members and their relatives described almost the same experience: a loud noise that arrived without warning, ringing ears, dizziness, nausea, blurred vision, poor concentration, and short-term memory failure. No one had been struck on the head, yet some of them had to leave Cuba for treatment.
Late in 2016, a U.S. diplomat in Havana woke with a severe headache, a crushing pressure inside the head, a piercing sound that reached only one ear, and a loss of balance. Soon other staff members and their relatives described almost the same experience: a loud noise that arrived without warning, ringing ears, dizziness, nausea, blurred vision, poor concentration, and short-term memory failure.
Late in 2016, a U.S. diplomat in Havana woke with a severe headache, a crushing pressure inside the head, a piercing sound that reached only one ear, and a loss of balance. Soon other staff members and their relatives described almost the same experience: a loud noise that arrived without warning, ringing ears, dizziness, nausea, blurred vision, poor concentration, and short-term memory failure.
Late in 2016, a U.S. diplomat in Havana woke with a severe headache, a crushing pressure inside the head, a piercing sound that reached only one ear, and a loss of balance. Soon other staff members and their relatives described almost the same experience: a loud noise that arrived without warning, ringing ears, dizziness, nausea, blurred vision, poor concentration, and short-term memory failure.
Late in 2016, a U.S. diplomat in Havana woke with a severe headache, a crushing pressure inside the head, a piercing sound that reached only one ear, and a loss of balance. Soon other staff members and their relatives described almost the same experience: a loud noise that arrived without warning, ringing ears, dizziness, nausea, blurred vision, poor concentration, and short-term memory failure.