Mayday

On 3 July 1988, during the Iran–Iraq War, the USS Vincennes launches missiles which bring down Iran Air Flight 655, killing all 290 people on board. The crew of the Vincennes claimed that, despite its high-tech equipment, it mistook the airliner for an Iranian Air Force Grumman F-14 Tomcat fighter. Iran believes that the US deliberately shot down its civilian airliner.