In the last days of October 1980, commanders of the 1st Tactical Air Base (TAB 1) of Iran in Tehran received intelligence that French engineers had been sent to Iraq and a number of Mirage F1s which the Iraqi Air Force had bought from France were stationed at Al-Hurriah Airbase. The personnel of the French Air Force were appointed to train Iraqi pilots and technicians to use Mirage F1s.

The operation was called Sultan-10, meaning only 10 fighters were supposed to cross the border (Sultan 1 to 10). The target was 180 miles inside Iraq at Mosul. Eight Phantom (code-named Sultan-1 to 6) (2 as reserve), 3 Tomcat (Sultan-7 and 8) (1 as reserve), and 3 Boeing 707 tankers (Sultan-9 and 10) (1 as reserve) were planned for the operation. Both Tomcat fighters were to guard the tankers since loss of the tankers would cost the loss of all 6 Phantoms. If the operational team crossed Iran's border and headed straight to Mosul they would have come across Air Defence bases which were supplied with SA-2, SA-3, and SA-6 surface-to-air missiles. The Iranian commanders ordered radio silence and started the operation before dawn. Just before crossing into Iraq, the aircraft refueled and used Turkish airspace to enter Iraq. Tankers and Tomcats stayed at low altitude and waited for the Phantoms' return.

While protecting the tankers, the radar of one of the Tomcats was always switched off to reduce recognition possibilities by Iraq.

Meanwhile, the attack team bombed Mosul and was on their way to Iran. Because they were carrying the maximum capacity of air-to-surface missiles, none of the Phantoms had air-to-air missiles.

By advantage of AN/AWG-9, the Tomcats noticed that 4 fighters were headed toward the Phantoms at 40 miles. As the Phantoms did not have any missiles to protect themselves, Sultan-7 (Captain Sedqi) and Sultan-8 (Captain Tayebi) were ordered to protect them. They headed toward them and raised their altitude to 15,000 ft. But they did not notice the existence of Tomcats, so they raised to 20,000 ft and again to 22,000 ft.^[1]

Sultan-7 missiles: 2 AIM-54, 2 AIM-9, 3 AIM-7

Sultan-8 missiles: 2 AIM-9, 6 AIM-7

At 45 miles from those 4 fighters, the Tomcats recognized there were 4 Mig-23s. Sultan-7 ordered both Tomcats to turn their ECCM on. But after a while his own system failed and Sultan-8 ECCM had to cover both aircraft. At 20 miles from four Mig-23, Captain Sedqi told his co-pilot to prepare two AIM-54 Phoenix missiles. The first missile launched, followed 8 seconds later by the second. The first missile destroyed the aircraft upon impact. The second one appeared not to have hit it directly, but the co-pilot stated that it paralyzed the plane. Sultan-8 confirmed this, along with a report indicating that the warhead exploded either earlier or later than intended. Iraqi fighters now noticed the danger and reduced their altitude which Iranian pilots said was the mistake that made their work easier. In only 7 miles to the Mig-23s, it supposed to Sultan-7 and 8 launch their missiles together, but it revealed the CSD system of Sultan-8 was not working, which meant he could not use its missiles and only could use the M61 Vulcan. Captain Sedqi (Sultan-7) told Sultan-8 to stay close to Sultan-9 and Sultan-10 and wait until he came back. Sedqi turned the afterburner on and the two Mig-23s split up with the leader going right and the follower going left. Sedqi chased the leader and released first AIM-7 which hit the tail and seconds later a wing detached and it leaped toward the ground. Then the co-pilot noticed that the other Mig-23 was approaching from behind. Sedqi shut the afterburner off and by performing a maneuver, reduced the speed from 520 miles to 150 miles and took the nose cone down, toward the Mig-23 that was now passing below and shot the second AIM-7 which hit the tail, sending the Mig-23 down, but its pilot ejected and was the only pilot from the 4 Mig-23s who survived. One of the killed Iraqi pilots was Ahmad Sabah, who had shot down 2 Northrop F-5 of IRIAF in the early days of the war.^[2]