Admiral William Fogarty's report states otherwise. IFF was on mode III, aircraft was ascending, and on a known airliner route.
One year prior, the Stark had been hit. Earlier on the day of the shoot down, one of the Vincennes' helicopters had received warning fire from Iranian speed boats. No doubt crew tensions were high and they just made the wrong call. It happens.
Did Wasserman Schultz blame the Republican led congress yet?