Came across two military documents about the 1976 Tehran incident. One is a Joint Chiefs of Staff message circulated through the Department of Defense. The other is a later Air Force article that retells the encounter. According to the documents, an F-4 Phantom approaching a bright object north of Tehran reportedly lost its instruments and communications at about 25 nautical miles. A second fighter later obtained radar lock, reported additional objects separating from the primary target, and...