Structure
- 4th Army in Písek:
- 4th Headquarters Battalion in Písek
- 3rd Motor Rifle Division[4] in Kroměříž (in case of full mobilization would have also formed the 26th Motor Rifle Division)
- 33rd Tank Regiment in Přáslavice
- 4th Motor Rifle Regiment in Hodonín with OT-64 wheeled armored transports vehicles
- 5th Motor Rifle Regiment in Mikulov with BVP-1 tracked infantry fighting vehicles
- 6th Motor Rifle Regiment in Uherské Hradiště with OT-64 wheeled armored transports vehicles
- 361st Artillery Regiment in Hranice
- 14th Separate Rocket Launcher Division in Přáslavice with 9K52 Luna-M artillery rocket systems
- 3rd Command and Artillery Reconnaissance Battery in Kroměříž
- 13th Anti-Aircraft Regiment in Bzenec
- 3rd Reconnaissance Battalion in Kroměříž
- 2nd Engineer Battalion in Břeclav
- 3rd Signal Battalion in Kroměříž
- 3rd Supply Battalion in Kroměříž
- 3rd Maintenance Battalion in Kroměříž
- 13th Chemical Defence Battalion in Bzenec
- 13th Medical Battalion
- 4th Tank Division[4] in Havlíčkův Brod
- 7th Tank Regiment in Jindřichův Hradec
- 8th Tank Regiment in Jihlava
- 13th Tank Regiment in Čáslav
- 9th Motor Rifle Regiment in Znojmo with BVP-1 tracked infantry fighting vehicles
- 6th Artillery Regiment in Jemnice
- 4th Separate Rocket Launcher Division in Jemčina with 9K52 Luna-M artillery rocket systems
- 4th Command and Artillery Reconnaissance Battery in Havlíčkův Brod
- 4th Anti-Aircraft Missile Regiment in Bzenec with 2K12 Kub surface-to-air missile systems
- 4th Reconnaissance Battalion in Jindřichův Hradec
- 6th Engineer Battalion in Jindřichův Hradec
- 5th Signal Battalion in Havlíčkův Brod
- 4th Supply Battalion in Havlíčkův Brod
- 4th Maintenance Battalion in Jihlava
- 6th Chemical Defence Battalion in Havlíčkův Brod
- 6th Medical Battalion
- 9th Tank Division[4] in Tábor
- 14th Tank Regiment in Písek
- 17th Tank Regiment in Týn nad Vltavou
- 18th Tank Regiment in Tábor
- 79th Motor Rifle Regiment in Benešov with BVP-1 tracked infantry fighting vehicles
- 362nd Artillery Regiment in Lešany
- 9th Separate Rocket Launcher Division in Jistebnice with OTR-21 Tochka tactical ballistic missiles
- 9th Command and Artillery Reconnaissance Battery in Jistebnice
- 9th Anti-Aircraft Missile Regiment in Strakonice with 2K12 Kub surface-to-air missile systems
- 9th Reconnaissance Battalion in Kašperské Hory
- 8th Engineer Battalion in Týn nad Vltavou
- 9th Signal Battalion in Tábor
- 9th Supply Battalion in Písek
- 9th Maintenance Battalion in Písek
- 4th Chemical Defence Battalion in Vráž
- 4th Medical Battalion
- 15th Motor Rifle Division[4] in České Budějovice (in case of full mobilization would have also formed the 18th Motor Rifle Division)
- 20th Tank Regiment in České Budějovice
- 51st Motor Rifle Regiment in Český Krumlov with OT-64 wheeled armored transports vehicles
- 62nd Motor Rifle Regiment in Prachatice with BVP-1 tracked infantry fighting vehicles
- 68th Motor Rifle Regiment in Vimperk with OT-64 wheeled armored transports vehicles
- 36th Artillery Regiment in České Budějovice
- 15th Separate Rocket Launcher Division in Vimperk with 9K52 Luna-M artillery rocket systems
- 15th Command and Artillery Reconnaissance Battery in České Budějovice
- 1st Anti-Aircraft Regiment in České Budějovice
- 15th Reconnaissance Battalion in Vimperk
- 15th Engineer Battalion in České Budějovice
- 1st Signal Battalion in České Budějovice
- 15th Supply Battalion in Kaplice
- 15th Maintenance Battalion in České Budějovice
- 1st Chemical Defence Battalion in České Budějovice
- 1st Medical Battalion
- 331st Heavy Artillery Brigade in Hranice
- 31st Heavy Artillery Division with SS-1C Scud-B tactical ballistic missiles
- 32nd Heavy Artillery Division with SS-1C Scud-B tactical ballistic missiles
- 31st Artillery Base in Kostelec nad Orlicí servicing the missiles of the 331st Heavy Artillery Brigade
- 332nd Cannon Artillery Brigade in Jičín
- Command and Artillery Reconnaissance Battery
- 1st Cannon Artillery Division with 18x 130mm M1954 towed howitzers
- 2nd Cannon Artillery Division with 18x 130mm M1954 towed howitzers
- 3rd Cannon Artillery Division with 18x 152mm SpGH DANA self-propelled howitzers
- 4th Cannon Artillery Division with 18x 152mm SpGH DANA self-propelled howitzers
- 5th Cannon Artillery Division with 18x 152mm SpGH DANA self-propelled howitzers
- 1st Engineer Brigade in Pardubice
- 107th Engineer Battalion
- 108th Engineer Battalion
- 109th Engineer Battalion
- 1st Engineer Roadblocking Battalion
- 1st Engineer Transit Battalion
- 4th Supply Brigade in Pacov
- 41st Transport Battalion in Pacov
- 42nd Transport Battalion in Pacov
- 43rd Transport Battalion in Písek
- 44th Transport Battalion in Kaplice
- 45th Fuel Transport Battalion in Benešov
- 97th Medical Evacuation Battalion in Pacov
- 251st Anti-aircraft Missile Regiment in Kroměříž with 20x 2K12 Kub systems
- Headquarters Battery
- 1st Firing Battery
- 2nd Firing Battery
- 3rd Firing Battery
- 4th Firing Battery
- 5th Firing Battery
- Technical Battery
- 217th Anti-tank Regiment in Lešany
- 1st Anti-tank Division with 12x 100mm vz. 53 anti-tank cannons and 6x BRDM-2 vehicles in the anti-tank variant with Konkurs anti-tank missiles
- 2nd Anti-tank Division with 12x 100mm vz. 53 anti-tank cannons and 6x BRDM-2 vehicles in the anti-tank variant with Konkurs anti-tank missiles
- 3rd Anti-tank Division with 12x 100mm vz. 53 anti-tank cannons and 6x BRDM-2 vehicles in the anti-tank variant with Konkurs anti-tank missiles
- 72nd Pontoon Regiment in Kamýk nad Vltavou
- 2nd Signal Regiment in Písek
- 1st Signal Battalion
- 2nd Signal Battalion
- 3rd Signal Battalion
- 24th Long Distance Signal Communications Regiment in Písek
- 4th Electronic Warfare Regiment in Český Krumlov
- 74th Special Purpose Electronic Intelligence Regiment in Horažďovice
- 74th Radio Surveying HF Company
- 74th Radio Surveying VHF Company
- 74th Radio Surveying and Targeting Company
- 74th Automatic Radio Surveying and Targeting Company
- 74th Combat Support and Services Company
- 5th Reconnaissance Artillery Division in Rychnov nad Kněžnou
- 4th Radio-technical Battalion in Vimperk
- Light Radio-technical Company
- Heavy Radio-technical Company
- Signal Company
- 105th Chemical Defence Battalion in Jaroměř
- 14th Road Construction Battalion in Vimperk
- 4th Radiation Center in Písek
- 52nd Command and Reconnaissance Squadron in Havlíčkův Brod
- 3rd Helicopter Detachment with 2x Mi-2 helicopters to support the 3rd Motor Rifle Division in wartime
- 4th Helicopter Detachment with 2x Mi-2 helicopters to support the 4th Tank Division in wartime
- 9th Helicopter Detachment with 2x Mi-2 helicopters to support the 9th Tank Division in wartime
- 15th Helicopter Detachment with 2x Mi-2 helicopters to support the 15th Motor Rifle Division in wartime
- 52nd Air Base and Electronic Support Company
- 104th Unmanned Aerial Vehicle Reconnaissance Squadron in Strakonice with Tupolev Tu-143 VR-3 Rejs drones
- 4th Signal and Radio-technical Services Company in Strakonice