When the coalition forces invaded Iraqi in 2003, Saddam Hussein orded his air force to dis-emble. Why did he do this? Saddam Hussein had a powerful air force that could have downed a lot of US and British aircraft.
Source: http://en.wikipedia.org/wiki/Iraqi_Air_Force
Statement: On the brink of the US invasion, Saddam Hussein disregarded his Air Force's wishes to defend the country's airspace against U.S. aircraft and ordered the bulk of his fighters disassembled or buried. Some were later found by US excavation forces around the al-Taqqadum and Al Asad air bases, including MiG-25s and Su-25s
Source: http://en.wikipedia.org/wiki/Iraqi_Air_Force
Statement: On the brink of the US invasion, Saddam Hussein disregarded his Air Force's wishes to defend the country's airspace against U.S. aircraft and ordered the bulk of his fighters disassembled or buried. Some were later found by US excavation forces around the al-Taqqadum and Al Asad air bases, including MiG-25s and Su-25s