Some data on the VG wings fitters operational history:
The IrAF received the following variants (in chronological order of delivery):
- 18 Su-20 delivered in October 1973 (Lyulka AL-7F engines), all served with No.1 Squadron
- 36 Su-22 delivered in 1976 (Tumansky R-29 engines), of which 18 served with No.44 Squadron and 18 with No.109 Squadron; several of these belonged to the Su-22R sub-variant which could carry the KKR -1 recce pod
- 18 Su-22M delivered in 1978, all served with No.5 Squadron; six of these were upgraded to Su-22M-2K standard in 1981, equipped with Kh-58C / E anti-radar missiles (manufactured under licence in Iraq as "Nissin-28")
- Some 20 Su-22M-2Ks were purchased in 1983 in order to replace losses; they re-equipped the entire No.5 Squadron, releasing remaining Su-22Ms to be transferred to No.44 Squadron.
- 18 Su-22M-2Ks were purchased in 1983-1984 in order to replace remaining Su-22s of No.109 Squadron (only 3 of these survived by the time)
- 18 Su-22M-3Ks were purchased in 1984; they entered service with No.69 Squadron; these were the first Iraqi Su-22 compatible with advanced PGMs and R-60s
- 36 Su-22M-4K were purchased in 1986-1987 and they entered service with No.5 and No.109 Squadrons