RED HORSE Units
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Period | Unit Designator | Component | Location |
| 5/8/1967- 3/16/1970 | 1st Civil Engineering Group | Active | Tan Son Nhut, Vietnam |
| 9/25/1971- Present | 200th RHS | Guard 1/2 Sq | Camp Perry, Ohio |
| 7/20/2008- Present | 200th RHS /Det 1 | Guard 1/2 Sq | Mansfield, Ohio |
| 9/14/1971- Present | 201st RHS | Guard 1/2 Sq | Fort Indiantown Gap, PA |
| April 2008- Present | 201st RHS /Det 1 | Guard 1/2 Sq | Biddle ANG Base, Willow Grove, PA |
| 1/5/1985- Present | 202nd RHS | Guard 1/2 Sq | Camp Blanding, FL |
| Sep 1985- Present | 203rd RHS | Guard 1/2 Sq | Virginia Beach, VA |
| 2010- Present | 210th RHS | Guard 1/3 Sq | Kirkland, NM |
| 9/3/1997- Present | 219th RHS | Guard 1/3 Sq | Malstrom, MT (Colocated with 819th) |
| 2000- Present | 254th RHS | Guard 1/3 Sq | Anderson, Guam (Colocated with 554th) |
| 6/17/1971- 8/31/2015 | 307th RHS | Reserve 1/2 Sq | Kelly, TX (Inactivated) |
| 1971 – 2015 | 307th RHS /Det 1 (308th) | Reserve 1/2 Sq | Barksdale, LA (Inactivated) |
| 10/1/1965- 9/26/2005 | 554th RHS | Active 1 | Vietnam, Korea |
| 9/26/2005- Present | 554th RHS | Active 1/3 Sq | Anderson, Guam |
| 10/1/1965- 12/15/1969 | 555th RHS | Active 1 | Vietnam (Inactivated) |
| 10/1/2001- Present | 555th RHS | Reserve 1/2 Sq | Nellis, NV (Colocated with 820th) |
| 2/66-10/69 | 556th RHS | Active 1 | U-Tapao, Thailand (Inactivated) |
| 2/23/2006- Present | 556th RHS | Reserve 1/2 Sq | Hurlburt Field, FL (Colocated with 823rd) |
| 2/6/1968- 6/1/1972 | 557th RHS | Active 1 | Osan Korea/ Eglin AFB (Inactivated) |
| 10/28/1966- 3/31/1970 | 560th RHS | Active | Eglin AFB, FL Training Squadron |
| 11/1/2008- Present | 560th RHS | Reserve 1/2 Sq | JB Charlestown, SC |
| 11/1/2008- Present | 567th RHS | Reserve 1/2 Sq | Seymore Johnson, NC |
| 7/13/2013- 9/25/2015 | 583rd RHS | Reserve 1/2 Sq | Beal, CA (Inactivated) |
| 6/1/2020- Present | 800th RHG | Active 1 | Nellis, NV |
| 4/26/2022- Present | 801st RH Training Sq | Training Staff | Tyndall, FL |
| 11/21/2022- Present | 801st Det 1 RH Training Sq | Training Staff | Nellis, NV |
| 1/12/1966- 8/31/1990 | 819th RHS | Active 1 | Thailand, Vietnam, Massachusetts, England |
| 6/2/1997- Present | 819th RHS | Active 1 | Malstrom, MT |
| 4/8/1966- 4/15/1970 | 820th RHS | Active 1 | Vietnam |
| 4/15/1970- Present | 820th RHS | Active 1 | Nellis, NV |
| 4/6/1966- 6/15/1971 | 823rd RHS | Active 1 | Vietnam |
| 6/15/1971- Present | 823rd RHS | Active 1 | Hurlburt Field, FL |
| 1993- 4/26/2022 | 823rd RHS /Det 1 | Training Staff | Tyndall, FL (Inactivated) |
| 1/23/1985- 8/1/1996 | 31st / 712th RHF | Prepositioned | Camp Darby, Italy, moved to the gulf (Inactivated) |
| 1/23/1985- 1990 | 7219/ 7319 RHF | Assets | Germany/ Italy, moved to the gulf (Inactivated) |
