 The American fighters fired a total of six missiles at the Iraqi aircraft, but the Iraqi aircraft were able to evade all of the missiles and escape back to the north.On 22 May 2000, it was reported that since execution of Operation Desert Fox in December 1998, there had been 470 separate incidents of AAA or surface-to-air missile fire at Coalition aircraft, while at the same time, Iraqi aircraft had violated the southern no-fly zone 150 times.Over the same time period, American aircraft had attacked Iraqi targets on 73 occasions.