Page:Iran Air Flight 655 investigation.djvu/27

 approaching the final weapons release point for the incoming aircraft factors into the decision to fire. Also crucial to the investigation was the explanation (where possible) of the divergence between the data available in the AEGIS system derived from the data reduction tapes and the reports received by the CO and "GW" (the CO’s principal air war advisor), especially the reports of "F-14", "Mode II code 1100 IFF", and "decreasing altitude". U 2. The data from USS VINCENNES's tapes, information from USS SIDES and reliable intelligence information, corroborate the fact that TN 4131 was on a normal commercial air flight plan profile, in the assigned airway, squawking Mode III 6760, on a continuous ascent in altitude from take-off at Bandar Abbas to shoot down.