| Unit | | | Location | Major Equipment |
| Headquarters and Headquarters Company | | Camp Casey | ROK | ### | ### |
| 2nd Infantry Division Band | | Camp Casey | ROK | ### | ### |
| 122nd Signal Battalion | | Camp Red Cloud | ROK | ### | ### |
| 102nd Military Intelligence Battalion | | Camp Essayons | ROK | ### | ### |
| 5th Battalion / 5th Air Defense Artillery Rgt | Double Nickel | Camp Stanley | ROK | ### | ### |
| 2nd Military Police Company | | Camp Casey | ROK | ### | ### |
| HHC Aviation Brigade | | Camp Stanley | ROK | ### | ### |
| 1st Battalion / 2nd Aviation Rgt (CBT) (ATK) | | Camp Page | ROK | ### | ### |
| 2nd Battalion / 2nd Aviation Rgt (ASLT) | | Camp Stanley | ROK | ### | ### |
| 4th Squadron / 7th Cavalry Rgt | | Camp Garry Owen | ROK | ### | ### |
| HHC 1st Brigade | | Camp Casey | ROK | ### | ### |
| 1st Battalion / 72nd Armor Rgt | Crusaders | Camp Casey | ROK | ### | ### |
| 2nd Battalion / 72nd Armor Rgt | Crusaders | Camp Casey | ROK | ### | ### |
| 2nd Battalion / 9th Infantry Rgt (Mechanized) | Manchus | Camp Casey | ROK | ### | ### |
| HHC 2nd Brigade | | Camp Hovey | ROK | ### | ### |
| 1st Battalion / 503rd Infantry Rgt (Light) (Air Assault) | The Rock | Camp Casey | ROK | ### | ### |
| 1st Battalion / 506th Infantry Rgt (Light) (Air Assault) | Curahee | Camp Hovey | ROK | ### | ### |
| 1st Battalion / 9th Infantry Rgt (Mechanized) | Manchus | Camp Hovey | ROK | ### | ### |
| HHC Engineer Brigade | | Camp Howze | ROK | ### | ### |
| 2nd Engineer Battalion (Combat) (Heavy) | | Camp Castle | ROK | ### | ### |
| 44th Engineer Battalion (Combat) (Heavy) | | Camp Howze | ROK | ### | ### |
| 168th Engineer Battalion (Combat) (Heavy) | | Fort Lewis | WA | ### | ### |
| HHC Division Support Command (DISCOM), | | Camp Casey | ROK | ### | ### |
| 2nd Support Battalion (Forward) | Iron Horse | Camp Casey | ROK | ### | ### |
| 296th Support Battalion (Forward) | | Fort Lewis | WA | ### | ### |
| 302nd Support Battalion (Forward) | | Camp Casey | ROK | ### | ### |
| 602nd Support Battalion (Aviation) | | Camp Hovey | ROK | ### | ### |
| 702nd Support Battalion (Main) | | Camp Hovey | ROK | ### | ### |
| HHB Division Artillery (DIVARTY) | Warrior Thunder | Camp Stanley | ROK | ### | ### |
| 1st Battalion / 15th Field Artillery Rgt (DS) (SP) | Guns | Camp Casey | ROK | ### | ### |
| 2nd Battalion / 17th Field Artillery Rgt (DS) (SP) | Steel | Camp Hovey | ROK | ### | ### |
| 6th Battalion / 27th Field Artillery Rgt (GSR) (75 FA BDE) | Proud Rockets | Fort Sill | WA | ### | ### |
| 1st Battalion / 37th Field Artillery Rgt (DS) (T) | | Fort Lewis | WA | ### | ### |
| 6th Battalion / 37th Field Artillery Rgt (MLRS) | First to Fire | Camp Stanley | ROK | ### | ### |
| Alpha Battery / 38th Field Artillery Rgt (MLRS) | Steel Behind the Rock | Camp Stanley | ROK | ### | ### |
| Foxtrot Battery / 26th Field Artillery Rgt (Target Acquisition) | Wolfpack | Camp Stanley | ROK | ### | ### |
| HHC 3rd Brigade, Interim Brigade Combat Team (IBCT) | | Fort Lewis | WA | ### | ### |
| C Company, 1st Battalion, 52nd Infantry Rgt (Anti-Tank) | | Fort Lewis | WA | ### | ### |
| 1st Squadron / 14th Cavalry Rgt (Armored) (RSTA) | | Fort Lewis | WA | ### | ### |
| 5th Battalion / 20th Infantry Rgt (Motorized) | | Fort Lewis | WA | ### | ### |
| 1st Battalion / 23rd Infantry Rgt (Motorized) | | Fort Lewis | WA | ### | ### |
| 1st Battalion / 3rd Infantry Rgt (Motorized) | | Fort Lewis | WA | ### | ### |
| 5th Battalion / 20th Infantry Rgt (Motorized) | | Fort Lewis | WA | ### | ### |
| 18th Engineer Company (Combat) | | Fort Lewis | WA | ### | ### |
| 334th Signal Company | | Fort Lewis | WA | ### | ### |
| 209th Military Intelligence Company | | Fort Lewis | WA | ### | ### |
| C Battery/5th Battalion/5th Air Defense Artillery Rgt | | Fort Lewis | WA | ### | ### |
