re-equipping with Su-57 as of December 2020) 31st Guards Fighter Aviation Regiment (Millerovo) Two Squadrons: Su-30SM (as of 2019) 559th Bomber Aviation Regiment (Morozovsk) Three Squadrons: Su-34 (as of 2019) 368th Assault Aviation Regiment (Budennovsk) Two Squadrons: Su-25SM/SM3 (as of 2019; reported upgrading to SM3 variant as of 2021) 4th Composite Aviation Division (Marinovka) 11th Composite Aviation Regiment (Marinovka) Two Squadrons: Su-24M/M2/MR (as of 2019) 960th Assault Aviation Regiment (Primorsko-Akhtarsk) Two Squadrons: Su-25SM/SM3 (as of 2019) 27th Composite Aviation Division (Sevastopol-Belbek) 37th Composite Aviation Regiment (Gvardeyskoye) One Squadron: Su-24M/SVP-24/MR; One Squadron: Su-25SM (as of 2019) 38th Guards Fighter Aviation Regiment (Sevastopol-Belbek) Two Squadrons: Su-27P/SM (as of 2019; may re-equip with Su-57 in due course) 39th Helicopter Aviation Regiment (Dzhankoi) Directly subordinated to 4th army headquarters 535th Independent Composite Aviation Regiment (Rostov-on-Don North with two mixed transport squadrons with An-26RT, An-12BK, Tu-134, L-410UVP-E20) 3624th Air Base (Erebuni, Armenia) with one fighter and one mixed helicopter squadron with MiG-29, MiG-29UB, Mi-24P, Mi-8MTV, Mi-8SMV-2; MiG-29 reported to be replaced by Su-30 in 2020/21) Army Aviation component 16th Army Aviation Brigade (Zernograd) 55th Independent Helicopter Regiment (Korenovsk) 487th Independent Helicopter Regiment (Budennovsk) Air defense and support units of the 4th Air and Air Defence Army: 51st Air Defence Division (Rostov-on-Don) 1536th Anti-Aircraft Rocket Regiment (Rostov-on-Don) 1537th Anti-Aircraft Rocket Regiment (Novorossiysk) Two battalions: 8 S-400/8 S-300PM launchers; second battalion with 6 launchers 96K6 Pantsir-S1 SAM. 1721st Anti-Aircraft Rocket Regiment (Sochi): 12 S-350 launchers 339th Radio-Technical Regiment (Tinaki, Astrakhan) 338th Radio-Technical Regiment (Rostov-on-Don) 31st Air Defence Division (Sevastopol) - traces its history to the Sevastopol Brigade of the PVO being upgraded on 25 January 1957 into the 1st Air Defence Division. (Russian article at :ru:31-я дивизия ПВО) 12th Anti-Aircraft Rocket Regiment (Sevastopol) 18th Guards Anti-Aircraft Rocket Regiment (Feodosia) 3rd Radio-Technical Regiment (Lyubimovka, Sevastopol) 7th Military Base (Primorskoe, Abkhazia - S-400 and S-300 SAMs) 988th Anti-Aircraft Missile Regiment (Gyumri, Armenia - S-300V4/Buk-M1-2 SAMs) Support Center (Rostov-on-Don) 1017th Air Defense Command Post (Rostov-on-Don) 214th Headquarters Communications Center (Novocherkassk) Additional fighter, helicopter and other fixed-wing aviation elements are deployed as part of the 2nd Guards Naval Aviation Division (2-я гвардейская морская Севастопольская авиационная дивизия имени Н.А. Токарева) of Russian Naval Aviation of the Black Sea Fleet – HQ Sevastopol. The division was seemingly reestablished in 2019-2020. Previously it had been disbanded in 1994. See also List of military airbases in Russia Notes Kommersant-Vlast, 2005 Further reading Kommersant-Vlast report on