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In 1989, the United States Army Pacific had its headquarters at Fort Shafter in Hawaii, and its units were stationed within the United States. Overseas forces included the United States Army, Japan, and the Eighth United States Army in South Korea.
 
  
  
  
  Eight Army , Yongsan Garrison, South Korea  [20]
  Eight Army , Yongsan Garrison, South Korea  [20]  ROK-US I Corps , Camp Red Cloud
  ROK-US I Corps , Camp Red Cloud  2nd Infantry Division , Camp Casey  [20]
  2nd Infantry Division , Camp Casey  [20]  17th Aviation Brigade, Camp Coiner  [20]  [21]  [22]
  17th Aviation Brigade, Camp Coiner  [20]  [21]  [22]  1st Signal Brigade, Camp Humphreys [25]
  1st Signal Brigade, Camp Humphreys [25]  8th Military Police Brigade (Provisional), Camp Coiner [20]
  8th Military Police Brigade (Provisional), Camp Coiner [20]  501st Military Intelligence Brigade (Provisional), Yongsan Garrison [32]
  501st Military Intelligence Brigade (Provisional), Yongsan Garrison [32]  18th Medical Command, Seoul [20]  [22]  (the following peacetime listing is incomplete)
  18th Medical Command, Seoul [20]  [22]  (the following peacetime listing is incomplete)  19th Support Command, Daegu  [20]  (the following peacetime listing is incomplete)
  19th Support Command, Daegu  [20]  (the following peacetime listing is incomplete) {{cite web}}:  CS1 maint: numeric names: authors list (link)