OOB South Korea (2008)

Land forces

Personel
550.000

Structure
4 main commands with a total of 47 divisions( 20 reserves) and 16 brigades.

Equipment
MBT: 550 x type 88K1-A1/( smaller local build version of M1 Abrahms) 950 x M48A3 and A5 250 x M47 and 36 x T80U
APC: 1400 KIFVs (like Dutch YPR) 110 BMP3/ 500 M113 and M577cp/ 400 KM 900/ 61 LVTP7( amphibious) 93 all terrain BV206 VIKINGS and 45 M8
Artillery: 3000 x 105 and 155 mm pieces/ 48 M115 203mm Howitsers 100 M107 and M110 towed and 1000 M109's.
Mortars: 5000 81 and 107 mm pieces
MLRS: 58(!) MLRS with 110 additional atacms missiles / 156 KOORYONG 130mm
ATGW: TOW/ Metis
At weapons: Panzerfaust 3
SSM NIKE HERCULES (nuclear capability)
SAMS: 110 x HAWK I/ 90 NIKE HERCULES/ 100 JAVELINS/ 35 MISTRALS/

Several new vehicles are under construction or being delivered, a new APC( largely based on the CV90) and the new K2 Black Panther MBT (380)
The K1's 105mm gun is being replaced by a 120mm gun.
Also the M109s will be replaced with a new procured system( probably local build K9 thunder)
Delivery also started for a new twin 30mm AAA system and PATRIOT PAC3 missiles, 14 units are under delivery together with the SKYLARK II UAV.
The Russian made vehicles are being used as platforms for future weapon/armor upgrades.

Armies and divisions:
Senior leadership

* Chief of Staff of the Republic of Korea Army: General Lim Choung-Bin
* Commanding General, First Republic of Korea Army: General Kim Geun-Tae
* Commanding General, Republic of Korea Army Second Operations Command: General Jo Jae-Toe
* Commanding General, Third Republic of Korea Army: General Kim, Sang Ki

Republic of Korea Army Headquarters

* Missile Command 'ENDLESSNESS'

* Capital Defense Command 'SHIELD'

* 1st Chemical Defense Brigade
* 122nd Signal Brigade
* 10th Air Defense Artillery Group
* 1113rd Engineer Group
* 52nd Homeland Defense Infantry Division
* 56th Homeland Defense Infantry Division
* 57th Homeland Defense Infantry Division
* 60th Reserve Infantry Division
* 71st Reserve Infantry Division

* Special Warfare Command 'LION'
* 707th Special Mission Battalion 'WHITE TIGER'

* Special Warfare Training Group

* 1st Special Forces Brigade (Airborne) 'EAGLE'
* 3rd Special Forces Brigade (Airborne) 'FLYING TIGER'
* 5th Special Forces Brigade (Airborne) 'BLACK DRAGON'
* 7th Special Forces Brigade (Airborne) 'PEGASUS'
* 9th Special Forces Brigade (Airborne) 'GHOST'
* 11th Special Forces Brigade (Airborne) 'GOLDEN BAT'
* 13th Special Forces Brigade (Airborne) 'BLACK PANTHER'

*Aviation Operations Command 'PHOENIX'

* 1st Aviation Brigade
* 2nd aviation Brigade

* Army Logistics Command

* Total Maintenance Depot
* Maintenance Depot
* Ammunition Depot

*Army Training & Doctrine Command

* Students' Central Military School
* Army College
* Technical Schools

* Army Combat Development Group
* Korea Military Academy at Yeong-cheon
* Korea Military Academy

First Republic of Korea Army (FROKA)

* 3rd Armored Brigade 'LIGHTNING'
* 11th Field Artillery Group
* 12th Aviation Group
* 1107th Engineer Group
* 1170th Engineer Group

* 11th Infantry Division (Mechanized) 'Hwa-rang'
* 1st Logistical Support Command

*II Corps 'DOUBLE DRAGONS'

* 2nd Artillery Brigade
* 2nd Engineer Brigade
* 702nd Special Assault Regiment
* 302nd Security Regiment

* 7th Infantry Division 'SEVEN STARS'
* 15th Infantry Division 'VICTORY'
* 27th Infantry Division 'LET'S WIN'

* III Corps 'MOUNTAINS'

* 3rd Artillery Brigade
* 3rd Engineer Brigade
* 103rd Signal Brigade
* 703rd Special Assault Regiment
* 303rd Security Regiment

* 2nd Infantry Division 'ANGRY WAVE'
* 12th Infantry Division 'EULJI'
* 21st Infantry Division 'MT. BAEKDU'

* VIII Corps 'LOYAL DRAGON OF THE EAST SEA'

* 8th Artillery Brigade
* 102nd Infantry Brigade(Mechanized) 'SUNRISE'
* 22nd Infantry Division 'YULGOK'
* 23rd Infantry Division 'IRON WALL'

Army Second Operations Command (SROKA)

* 21st Aviation Group
* 201st Special Assault Brigade
* 203rd Special Assault Brigade
* 1117th Engineer Group
* 1120th Engineer Group

* 5th Logistical Support Command

* 31st Homeland Defense Infantry Division
* 32nd Homeland Defense Infantry Division
* 35th Homeland Defense Infantry Division
* 37th Homeland Defense Infantry Division
* 39th Homeland Defense Infantry Division
* 50th Homeland Defense Infantry Division
* 53rd Homeland Defense Infantry Division

Third Army (TROKA)

* 1st Air Defense Artillery Brigade
* 1101st Engineer Group
* 1173rd Engineer Group
* 1175th Engineer Group

* 2nd Logistical Support Command

* 5th Supply Unit
* 3rd Logistical Support Command

* Capital Corps 'DEVOTION'

* Capital Artillery Brigade
* 100th Signal Brigade
* 700th Special Assault Regiment
* 17th Infantry Division 'LIGHTNING'

* I Corps 'GWANGGAETO'

* 2nd Armored Brigade 'LOYALTY'
* 1st Engineer Brigade
* 101st Signal Brigade
* 11th Aviation Group
* 701st Special Assault Regiment
* 301st Security Regiment

* 1st Artillery Brigade

* 2nd Field Artillery Group
* 3rd Field Artillery Group
* 7th Field Artillery Group

* 1st Infantry Division 'FORWARD'

* 11th Infantry Regiment
* 12th Infantry Regiment
* 15th Infantry Regiment

* 9th Infantry Division 'WHITE HORSE'

* 28th Infantry Regiment
* 29th Infantry Regiment
* 30th Infantry Regiment

* 25th Infantry Division 'FLYING DRAGON'

* 70th infantry regiment
* 71th Infantry Regiment
* 72th Infantry Regiment

* 30th Infantry Division (Mechanized) 'CERTAIN VICTORY'
* 90th Infantry Brigade (Mechanized)
* 91th Infantry Brigade (Mechanized)
* 92th Infantry Brigade (Mechanized)
* 72nd Reserve Infantry Division 'OLYMPIC'

* V Corps 'VICTORIOUS'

* 1st Armored Brigade 'BLITZKRIEG'
* 5th Engineer Brigade
* 105th Signal Brigade
* 15th Aviation Group
* 705th Special Assault Regiment
* 305th Security Regiment

* 5th Artillery Brigade

* 1st Field Artillery Group
* 5th Field Artillery Group
* 8th Mobilization Artillery Group

* 3rd Infantry Division 'SKELETON'
* 6th Infantry Division 'BLUE STAR'
* 2nd Infantry Regiment
* 7th Infantry Regiment
* 19th Infantry Regiment
* 8th Infantry Division 'TUMBLER'

* VI Corps 'ADVANCE'

* 5th Armored Brigade 'IRON STORM'
* 6th Engineer Brigade
* 16th aviation group
* 106th Signal Brigade
* 706th Special Assault Regiment
* 306th Security Regiment

* 6th Artillery Brigade

* 6th Field Artillery Group
* 9th Field Artillery Group

* 5th Infantry Division 'KEY'
* 26th Infantry Division (Mechanized) 'GROUP OF FIRES'
* 28th Infantry Division 'INVINCIBLE TYPHOON'

* VII Corps 'VANGUARD OF NORTHERN ADVANCE'

* 7th Artillery Brigade
* 7th Engineer Brigade
* 107th Signal Brigade
* 17th Aviation Group
* 7th Assault Unit

* Capital Mechanized Infantry Division 'TIGER DIVISION'
* 20th Infantry Division (Mechanized) 'DECISIVE BATTLE'

Airforces

Personel
65.000

Structure
7 fighter wings and 1 fighter group with 23 squadrons.

Equipment
1st FW 102 and 122 sqd with F5a/b and 206 with F5e
8th FW 101 and 201 sqd with F5e/f
11th FW 110 and151 sqd with F4d (replaced by F15K)
16th FW 202 with F5e
17th FW 152/153 and 156 sqd with F4E
18th FW 105, 112 and 295 sqd with F5E/F
19th FW 155, 159, 161 and 162 sqd with F16C/D
20th FW 120,121,123 and 157 sqd with F16C/D
30th fgr with 111 sqd F5E/F

Total inventory
60 x F4D/ 50 x F5E/F/ 180 F16( 4 version up to block52) 20F5A/B/ 60 F15K

Transport:
TAW (Gimhae AB)
251 sqd with 8 x C130H and 4 x C130H-30
256 sqd with 14 CN-235
258 sqd with 14 CN-235 (including 2 vip versions)

ELINT/SIGINT/EW
1 sqd with 4 x HAWKER 800SIG and 4 x 800RA's

Helicopters
5 x Bell UH1D/ 10 x Bell212/412(SAR)/ 5 x UH1H (SAR) 3 x AS.332 SUPERPUMA 7 x KA32 (SAR) and 3 x S-92 (VIP)

TRAINING
1 wing based at Saechon AB
213/215/217 and 236 sqd with a total of 85 KT-1
189 sqd with 30 T-38
216 sqd with 16 HAWKS and 25 T-50's

SAM: Mistral

Source: Military technology, ROK army website, Wiki