28 July 1866; Constituted in the Regular Army as the 9th Cavalry Regiment.

21 September 1866; Organized at Greenville, Louisiana with negro enlisted personnel, Colonel Edward Hatch, commanding.

1883; Cavalry Companies officially designated as Troops.

01 March 1933; Assigned to the 3rd Cavalry Division.

10 October 1940; Relieved from the 3rd Cavalry Division and assigned to the 2nd Cavalry Division.

07 March 1944; Inactivated in North Africa.

20 October 1950; Relieved from the 2nd Cavalry Division and redesignated as the 509th Tank Battalion.

01 November 1950; Activated at Camp Polk, Louisiana.

10 April 1956; Inactivated at Fort Knox, Kentucky.

01 December 1957; Reorganized and redesignated as the 9th Cavalry, a parent regiment under the Combat Arms Regimental System.

Needs Data

28 July 1866; Constituted in the Regular Army as Company "A", 9th Cavalry Regiment.

October 1866; Organized at Greenville, Louisiana.

1883; Cavalry Companies officially designated as Troops.

01 March 1933; Assigned to the 3rd Cavalry Division.

10 October 1940; Relieved from the 3rd Cavalry Division and assigned to the 2nd Cavalry Division.

07 March 1944; Inactivated in North Africa.

20 October 1950; Converted and redesignated as Company "A", 509th Tank Battalion; concurrently the 9th Cavalry relieved from the 2nd Cavalry Division.

01 November 1950; Activated at Camp Polk, Louisiana.

10 April 1956; Inactivated at Fort Knox, Kentucky.

15 October 1957; Redesignated as Troop "A", 9th Cavalry.

01 November 1957; Redesignated as Headquarters and Headquarters Troop, 1st Reconnaissance Squadron, 9th Cavalry; concurrently consolidated with 16th Reconnaissance Company (see ANNEX 1 below); assigned to 1st Cavalry Division and activated in Korea.

01 September 1963; Reorganized and redesignated as 1st Squadron, 9th Cavalry.

01 July 1965; Transferred (less personnel and equipment) from Korea to Fort Benning, Georgia and reorganized.

16 October 1986; Inactivated at Fort Hood, Texas and relieved from assignment to the 1st Cavalry Division.

16 March 1987; Assigned to the 9th Infantry Division and activated at Fort Lewis, Washington.

15 February 1991; Relieved from assignment to the 9th Infantry Division.

16 February 1991; 1st Squadron, 9th Cavalry reorganized as Troop "A", 9th Cavalry and assigned to the 199th Infantry Brigade. (organic elements concurrently inactivated)

16 July 1992; Troop "A", 9th Cavalry relieved from assignment to the 199th Infantry Brigade.

16 December 1992; Reorganized and redesignated as Headquarters and Headquarters Company, 1st Battalion, 9th Cavalry and assigned to the 1st Cavalry Division. (organic elements concurrently activated)

Needs Data

  [ANNEX 1 - 1st Battalion, 9th Cavalry Regiment]  

13 November 1943; 302nd Cavalry Reconnaissance Troop, Mechanized constituted in the Army of the United States.

04 December 1943; Activated in Australia and assigned to the 1st Cavalry Division.

15 October 1945; Redesignated as the 302nd Mechanized Cavalry Reconnaissance Troop.

25 March 1949; Redesignated as 16th Reconnaissance Company.

28 July 1866; Constituted in the Regular Army as Company "B", 9th Cavalry Regiment.

October 1866; Organized at Greenville, Louisiana.

1883; Cavalry Companies officially designated as Troops.

01 March 1933; Assigned to the 3rd Cavalry Division.

10 October 1940; Relieved from the 3rd Cavalry Division and assigned to the 2nd Cavalry Division.

07 March 1944; Inactivated in North Africa.

20 October 1950; Converted and redesignated as Company "B", 509th Tank Battalion; concurrently the 9th Cavalry relieved from the 2nd Cavalry Division.

01 November 1950; Activated at Camp Polk, Louisiana.

10 April 1956; Inactivated at Fort Knox, Kentucky.

01 December 1957; Redesignated as Headquarters and Headquarters Troop, 2nd Reconnaissance Squadron, 9th Cavalry; concurrently consolidated with 9th Reconnaissance Company (see ANNEX 1 below); assigned to 9th Infantry Division and activated in Fort Carson, Colorado.

01 July 1958; Relieved from assignment to 9th Infantry Division and assigned to 24th Infantry Division and reorganized in Europe.

28 January 1963; Reorganized and redesignated as 2nd Squadron, 9th Cavalry.

15 April 1970; Inactivated at Fort Riley, Kansas.

21 September 1975; Activated at Fort Stewart, Georgia.

16 January 1987; Inactivated at Fort Stewart, Georgia and relieved from assignment to the 24th Infantry Division.

16 March 1987; Assigned to the 7th Infantry Division and activated at Fort Ord, California.

Needs Data

  [ANNEX 1 - 2nd Squadron, 9th Cavalry Regiment]  

01 August 1940; 9th Reconnaissance Troop constituted in the Regular Army and assigned to the 9th Infantry Division.

10 August 1940; Activated at Fort Bragg, North Carolina.

20 August 1943; Redesignated as the 9th Cavalry Reconnaissance Troop, Mechanized.

08 September 1945; Redesignated as 9th Mechanized Cavalry Reconnaissance Troop.

30 November 1946; Inactivated in Europe.

12 July 1948; Redesignated as 9th Reconnaissance Company and activated at Fort Dix, New Jersey.

28 July 1866; Constituted in the Regular Army as Company "C", 9th Cavalry Regiment.

September/October 1866; Organized at New Orleans, Louisiana.

1883; Cavalry Companies officially designated as Troops.

01 March 1933; Assigned to the 3rd Cavalry Division.

01 April 1939; Inactivated at Fort Riley, Kansas.

10 October 1940; Relieved from assignment to the 3rd Cavalry Division and assigned to the 2nd Cavalry Division.

15 January 1941; Activated at Fort Riley, Kansas.

07 March 1944; Inactivated in North Africa.

20 October 1950; Converted and redesignated as Company "C", 509th Tank Battalion; concurrently the 9th Cavalry relieved from the 2nd Cavalry Division.

01 November 1950; Activated at Camp Polk, Louisiana.

10 April 1956; Inactivated at Fort Knox, Kentucky.

17 March 1957; Redesignated as Headquarters and Headquarters Troop, 3rd Reconnaissance Squadron, 9th Cavalry; concurrently withdrawn from the Regular Army, allocated to the Army reserve and assigned to 79th Infantry Division (organic elements concurrently constituted).

06 April 1959; Activated at Philadelphia, Pennsylvania.

28 February 1963; Inactivated at Philadelphia, Pennsylvania and relieved from assignment to 79th Infantry Division.

03 December 1963; Redesignated as "C" Troop, 9th Cavalry and assigned to 157th Infantry Brigade.

01 February 1964; Activated at Bristol, Pennsylvania.

31 January 1966; Location changed to Wilks-Barre, Pennsylvania.

Needs Data

28 July 1866; Constituted in the Regular Army as Company "D", 9th Cavalry Regiment.

September/October 1866; Organized at New Orleans, Louisiana.

1883; Cavalry Companies officially designated as Troops.

01 December 1921; Demobilized in the Philippine Islands.

19 March 1959; Reconstituted and redesignated as Headquarters and Headquarters Troop, 4th Reconnaissance Squadron, 9th Cavalry; concurrently withdrawn from the Regular Army, allocated to the Army Reserve and assigned to the 83rd Infantry Division.

20 March 1959; Activated at Mansfield Ohio.

15 April 1963; Reorganized and redesignated as 4th Reconnaissance Squadron, 9th Cavalry.

31 December 1965; Inactivated at Mansfield, Ohio.

24 November 1967; Withdrawn from Army Reserve and allocated to the Regular Army; concurrently relieved from assignment to 83rd Infantry Division, assigned to the 6th Infantry Division and activated at Fort Campbell, Kentucky.

25 July 1968; Inactivated at Fort Cambell, Kentucky and Schofield Barracks, Hawaii.

05 May 1971; Relieved from assignment to the 6th Infantry Division, assigned to the 1st Cavalry Division and activated at Fort Hood, Texas.

30 June 1971; Inactivated at Fort Hood, Texas.

28 February 1972; Activated at Fort Hood, Texas.

13 September 1972; Inactivated at Fort Hood, Texas and relieved from assignment to the 1st Cavalry Division.

19 November 1974; Assigned to the 1st Cavalry Division and activated at Fort Hood, Texas.

21 July 1975; Relieved from assignment to the 1st Cavalry Division and assigned to the 6th Cavalry Brigade.

15 July 1986; Inactivated at Fort Hood, Texas and relieved from assignment to the 6th Cavalry Brigade.

18 March 1987; Assigned to the 6th Infantry Division and activated at Fort Wainwright, Alaska.

20 September, 2002; "D" Troop, 9th Cavalry Regiment (Recon) activated at Ft Hood, Texas as the 2nd Brigade Reconnaissance Unit.

08 July 2005; Reorganized and redesignated as Headquarters and Headquarters Troop, 4th Squadron, 9th Cavalry Regiment (organic elements concurrently constituted) and remained assigned to the 2nd Brigade Combat Team, 1st Cavalry Division at Ft. Hood, Texas.

Needs Data

28 July 1866; Constituted in the Regular Army as Company "E", 9th Cavalry Regiment.

1866; Organized in Louisiana.

1883; Cavalry Companies officially designated as Troops.

01 March 1933; Assigned to the 3rd Cavalry Division.

10 October 1940; Relieved from the 3rd Cavalry Division and assigned to the 2nd Cavalry Division.

07 March 1944; Inactivated in North Africa.

20 October 1950; Disbanded.

01 December 1957; Reconstituted in the Regular Army and redesignated as Headquarters and Headquarters Troop, 5th Reconnaissance Squadron, 9th Cavalry.

02 October 1962; Redesignated as Headquarters and Headquarters Troop, 5th Squadron, 9th Cavalry and assigned to 194th Armored Brigade (organic elements concurrently constituted).

21 December 1962; Activated at Fort Ord, California.

04 January 1968; Inactivated at Fort Ord, California and relieved from assignment to 194th Armored Brigade; concurrently redesignated as Troop "E", 9th Cavalry and activated at Fort Ord, California.

01 July 1973; Inactivated at Fort Ord, California.

16 March 1987; Redesignated as Headquarters and Headquarters Troop, 5th Squadron, 9th Cavalry, assigned to the 25th Infantry and activated at Schofield Barracks, Hawaii.

Needs Data

28 July 1866; Constituted in the Regular Army as Company "F", 9th Cavalry Regiment.

Organized during September and October 1866 in Louisiana.

1883; Cavalry Companies officially designated as Troops.

01 March 1933; 9th Cavalry Regiment assigned to the 3rd Cavalry Division; relieved 10 October 1940 from assignment to the 3rd Cavalry Division and assigned to the 2nd Cavalry Division.

07 March 1944; 9th Cavalry Regiment inactivated in North Africa.

20 October 1950; 9th Cavalry Regiment disbanded.

01 December 1957; Reconstituted in the Regular Army and redesignated as Headquarters and Headquarters Troop, 6th Reconnaissance Squadron, 9th Cavalry Regiment.

30 June 1971; Redesignated as "F" Troop, 9th Cavalry Regiment, assigned to the 1st Cavalry Division, and activated in Vietnam.

26 February 1973; Inactivated in Vietnam and relieved from assignment to the 1st Cavalry Division.

20 April 1999; Assigned to the 1st Cavalry Division.

17 April 2003; Activated at Fort Hood, Texas as the 3rd Brigade Reconnaissance Unit.

14 July 2005; Reorganized and redesignated as Headquarters and Headquarters Troop, 6th Squadron, 9th Cavalry Regiment (organic elements concurrently constituted) and remained assigned to the 3rd Brigade Combat Team, 1st Cavalry Division at Ft. Hood, Texas.

1866
9th Cavalry constituted in the Regular Army (28 July)
Organized at Greenville, Louisiana, Colonel Edward Hatch, commanding. (21 September)

1866
Company "A", 9th Cavalry constituted in the Regular Army. (28 July)
Organized at Greenville, Louisiana. (October)

1866
Company "B", 9th Cavalry constituted in the Regular Army. (28 July)
Organized at Greenville, Louisiana. (October)

1866
Company "C", 9th Cavalry constituted in the Regular Army. (28 July)
Organized at New Orleans, Louisiana. (September/October)

1866
Company "D", 9th Cavalry constituted in the Regular Army. (28 July)
Organized at New Orleans, Louisiana. (September/October)

1866
Company "E", 9th Cavalry constituted in the Regular Army. (28 July)
Organized in Louisiana.

1866
Company "F", 9th Cavalry constituted in the Regular Army. (28 July)
Organized during September and October in Louisiana.

1867
Fort Sam Houston, Texas
Rgmt'l HQ and Companies, "A", "B", "C", "D", "E", "F", "G", "H" & "I"

1867
Fort Brown, Texas
Companies "L" & "M"

1867
Fort Stockton, Texas
Rgmt'l HQ and Companies "A", "B", "E" & "K"

1867
Fort Davis, Texas
Companies "C", "D", "F", "G", "H" & "I"

1869
Fort Concho, Texas
Companies "B" & "E" (March)

1870
SGT Emanuel Stance, F-9 Cavalry earns the Medal of Honor. (20 May)

1871
Fort Concho, Texas
Company "C" (June)

1872
Fort Concho, Texas
Company "M" (July)

1873
Fort Concho, Texas
Company "D" (April)
Company "A" (May)

1874
Fort Concho, Texas
Companies "D" & "F" (February)
Company "K" (March)

1875
Fort Craig, District of New Mexico
Company "C" (December)
Fort Mc Rae, District of New Mexico
Company "B" (December)
Fort Stanton, District of New Mexico
Companies "H" & "L" (December)

1876
Fort Wingate, District of New Mexico
Company "E" (January)
Fort Union, District of New Mexico
Company "L" (January)
Company "D" (May)
Company "K" (August)
Company "E" (September)
Company "I" (June)
Fort Seldon, District of New Mexico
Company "F" (March)
Fort Bayard, District of New Mexico
Company "A" (April)
Fort Stanton, District of New Mexico
Company "M" (April)
Fort Craig, District of New Mexico
Company "B" (November)

1877
CPL Clinton Greaves, C-9 Cavalry earns the Medal of Honor. (24 January)

1877
Fort Stanton, District of New Mexico
Company "F" (April)
Fort Bayard, District of New Mexico
Company "B" (June)
Company "G" (August)

1879
SGT Thomas Boyne, C-9 Cavalry earns the Medal of Honor. (29 May)

1879
Fort Bayard, District of New Mexico
Company "H" (September)

1879
2nd LT. Matthias W. Day, 9th Cavalry earns the Medal of Honor. (10 September)

1879
SGT John Denny, C-9 Cavalry earns the Medal of Honor. (18 September)

1879
2nd LT. Robert Temple Emmet, 9th Cavalry earns the Medal of Honor. (18 September)

1879
CPT Francis S. Dodge, D-9 Cavalry earns the Medal of Honor. (29 September)

1879
SGT Henry Johnson, D-9 Cavalry earns the Medal of Honor. (02/05 October)

1880
Fort Bayard, District of New Mexico
Companies "F" & "M" (January)
Ojo Caliente, District of New Mexico
Company "K" (March)
Fort Stanton, District of New Mexico
Companies "A" & "G" (January)
Fort Union, District of New Mexico
Company "K" (August)
Fort Wingate, District of New Mexico
Company "E" (August)
Fort Craig, District of New Mexico
Company "D" (December)

1880
SGT George Jordan, K-9 Cavalry earns the Medal of Honor. (14 May)

1881
Fort Riley, Kansas
Rgmt'l HQ and Companies "D", "H", "L" & "M"
Fort Elliott, Texas
Company "A"
Fort Hayes, Kansas
Companies "B" & "E"
Fort Sill, Indian Country
Companies "C" & "G"
Fort Reno, Indian Country
Companies "F" & "I"
Cantonmont, Indian Country
Company "F"

1881
SGT Thomas Shaw, K-9 Cavalry earns the Medal of Honor. (12 August)

1881
PVT Augustus Walley, I-9 Cavalry earns the Medal of Honor. (16 August)

1881
1st SGT Moses Williams, I-9 Cavalry earns the Medal of Honor. (16 August)

1881
SGT Brent Woods, B-9 Cavalry earns the Medal of Honor. (19 August)

1882
Fort Lyon, Colorado
Company "E"

1883
Cavalry companies officially designated as Troops.

1884
Fort D. A. Russell, Wyoming, In the field
Troop "I"
Fort Supply, Indian Territory
Troop "K"
Caldwell, Kansas, in the field
Troop "L"

1885
Stillwater, Oklahoma

1885 (December)
Fort McKinney, Wyoming
Rgmt'l HQ and Troops "B", "D", "E", "H" & "L"
Fort Niobrara, Nebraska
Troops "A", "C" & "I"
Fort Robinson, Nebraska
Troops "C", "F" & "K"

1886
Fort Du Chesne, Utah
Troops "B" & "E"
Fort Leavenworth, Kansas
Troop "L"

1887 - 1888
Fort Niobrara, Nebraska
Troops "A" & "G"
Fort Du Chesne, Utah
Troops "B" & "E"
Fort Leavenworth, Kansas
Troop "L"
Fort Washakie, Wyoming
Troop "M"

1890
CPL William O. Wilson, I-9 Cavalry earns the Medal of Honor. (da/mo unspecified)

1891
Fort Robinson, Nebraska
Troops "A" & "G"
Fort Leavenworth, Kansas
Troop "C"
Pine Ridge Indian Reservation
Troops "D", "F", "I" & "K"

1895
Fort Robinson, Nebraska
Rgmt'l HQ and Troops "A", "C", "E", "G", "H" & "K"
Fort Du Chesne, Utah
Troops "B" & "F"
Fort Washakie, Wyoming
Troops "D" & "I"

1897
2nd LT George R. Burnett, 9th Cavalry earns the Medal of Honor. (23 July)

1898
Tampa, Florida
Embarked for the Spanish American War (08 June)
Disembarked at Baiquiri (23 June)
Troops "A", "B", "G" & "K"
Disembarked at Siboney (23 June)
Troops "C", "E", "D" & "H"

1899
Returned to the United States
Fort Wingate, District of New Mexico
Troop "H" (January)
Fort Batnard, District of New Mexico
Troop "K" (May)
Fort Grant, Arizona Territory (05 October)
Rgmt'l HQ and Troops "A", "B", "D" and "M"
Fort Du Chesne, Utah (11 October)
Troops "C" & "I"
Fort Apache, Arizona Territory (09 October)
Troops "E" & "G"
Fort Huachuca (05 October)
Troops "F", "K" & "L"
Fort Sill, Indian Territory
Troop "H"

1900
Philippine Insurrection
Nueva Cacares
Rgmt'l HQ and 1st Squadron
Legaspi
2nd Squadron

1904
Fort Riley, Kansas
Rgmt'l HQ and 1st Squadron
Fort Leavenworth, Kansas
2nd Squadron
Jefferson Barracks, Missouri
3rd Squadron

1907
Camp McGrath, Batangas, Philippines Islands
Troops "A", "B", "C", "D" & "G"

1910 - 1911
Fort D. A. Russell, Wyoming ( 18 September)
The entire regiment

1913
Douglas, Arizona
Rgmt'l HQ and Troops "E", "F" & "G"
Naco, Arizona
Troop "A"
Warren, Arizona
Troop "B"
Slaughter's Ranch, Arizona
Troop "H"
Nogales Patrol District, Arizona
Troops "I", "K" & "L"
Garden Canyon, Arizona
Troop "M"

1914
Hachita, New Mexico
Troop "B"
Alamo Huaco, New Mexico
Troop "A"
Culbersen's Ranch, New Mexico
Troop "C"
Laing's Ranch, New Mexico
Troop "D"
Slaughter's Ranch, Arizona
Troops "G" & "H"

1915
Stationed along the Arizona/New Mexico Borders:
Naco, Arizona
Entire Regiment - less:
Laing's Ranch, New Mexico
Troop "I"
Hachita, New Mexico
Troop "L"
Alamo Huaco, New Mexico
Troop "M"

1915
The Presidio, San Francisco, California
The entire regiment

1916
Embarked to Manila, Philippine Islands (05 January)

1916 - 1922
Camp Stetsenburg, Pampanga, Philippine Islands (06 February)

1921
Company "D", 9th Cavalry demobilized in the Philippine Islands. (01 December)

1922
Returned to the United States, via Nagasaki, Japan (12 October)

1922
Fort Riley, Kansas

1933
9th Cavalry Regiment assigned to the 3rd Cavalry Division (01 March)

1934
By order of The Secretary of War, /s/ E. T. Conley, Brigadier General, the saber was discontinued as an item of issue. (18 April)

1939
Fort Riley, Kansas

1939
Company "C" inactivated at Fort Riley, Kansas. (01 April)

1940
9th Reconnaissance Troop constituted in the Regular Army and assigned to the 9th Infantry Division. (01 August)

1940
9th Reconnaissance Troop activated at Fort Bragg, North Carolina. (10 August)

1940
9th Cavalry Regiment relieved from the 3rd Cavalry Division and assigned to the 2nd Cavalry Division. (10 October)

1941
Company "C" activated at Fort Riley, Kansas. (15 January

1942
Camp Funston, Kansas (01 July)
Troops "A", "B", "C", "E", "F" & "G"
Fort Clark, Texas
Rgmt'l HQ and Troop "F"

1943
9th Reconnaissance Troop redesignated as the 9th Cavalry Reconnaissance Troop, Mechanized. (20 August)

1943
302nd Cavalry Reconnaissance Troop, Mechanized constituted in the Army of the United States. (13 November)

1943
302nd Cavalry Reconnaissance Troop, Mechanized activated in Australia and assigned to the 1st Cavalry Division. (04 December)

1944
Assi-Ben-Okba, Algeria, Africa
9th Cavalry Rgmt'l Service Troop disbanded (23 February)
9th Cavalry Rgmt'l HQ and 1st Squadron disbanded (23 February)
9th Cavalry Rgmt'l Troops "A", "B", "C", "D", "E" & "F" disbanded (23 February)
9th Cavalry Rgmt'l Weapons Troop disbanded (29 February)
9th Cavalry Rgmt'l Medical Detachment disbanded (03 March)

1945
9th Reconnaissance Troop, Mechanized redesignated as 9th Mechanized Cavalry Reconnaissance Troop. (08 September)

1945
302nd Cavalry Reconnaissance Troop, Mechanized redesignated as the 302nd Mechanized Cavalry Reconnaissance Troop. (15 October)

1946
9th Mechanized Cavalry Reconnaissance Troop inactivated in Europe. (30 November)

1948
9th Mechanized Cavalry Reconnaissance Troop redesignated as 9th Reconnaissance Company and activated at Fort Dix, New Jersey. (12 July)

1949
302nd Mechanized Cavalry Reconnaissance Troop redesignated as 16th Reconnaissance Company. (25 March)

1950
CPL Gorden M. Graig, 16th Reconnaissance Co earns the Medal of Honor. (10 September)

1950
9th Cavalry Regiment relieved from the 2nd Cavalry Division and redesignated as the 509th Tank Battalion. (20 October)

1950
Company "A", 9th Cavalry converted and redesignated as Company "A", 509th Tank Battalion; concurrently the 9th Cavalry relieved from the 2nd Cavalry Division. (20 October)

1950
Company "B", 9th Cavalry converted and redesignated as Company "B", 509th Tank Battalion; concurrently the 9th Cavalry relieved from the 2nd Cavalry Division. (20 October)

1950
Company "C", 9th Cavalry converted and redesignated as Company "C", 509th Tank Battalion; concurrently the 9th Cavalry relieved from the 2nd Cavalry Division. (20 October)

1950
Company "E", 9th Cavalry disbanded. (20 October)
Company "F", 9th Cavalry disbanded. (20 October)

1950
509th Tank Battalion activated at Camp Polk, Louisiana. (01 November)

1952
Camp Polk, Louisiana
509th Tank Battalion completed Basic Training.

1956
509th Tank Battalion inactivated at Fort Knox, Kentucky. (10 April)

1957
Company "C", 509th Tank Battalion redesignated as Headquarters and Headquarters Troop, 3rd Reconnaissance Squadron, 9th Cavalry; concurrently withdrawn from the Regular Army, allocated to the Army reserve and assigned to 79th Infantry Division (organic elements concurrently constituted).(17 March)

1957
Company "A", 509th Tank Battalion redesignated as Headquarters and Headquarters Troop, 1st Reconnaissance Squadron, 9th Cavalry; concurrently consolidated with 16th Reconnaissance Company, assigned to 1st Cavalry Division and activated in Korea. (01 November)

1957
2nd Squadron, 9th Cavalry redesignated as Headquarters and Headquarters Troop, 2nd Reconnaissance Squadron, 9th Cavalry; concurrently consolidated with 9th Reconnaissance Company, assigned to 9th Infantry Division and activated in Fort Carson, Colorado. (01 December)

1957
Troop "E", 9th Cavalry reconstituted in the Regular Army and redesignated as Headquarters and Headquarters Troop, 5th Reconnaissance Squadron, 9th Cavalry. (01 December)

1957
Troop "F", 9th Cavalry reconstituted in the Regular Army and redesignated as Headquarters and Headquarters Troop, 6th Reconnaissance Squadron, 9th Cavalry. (01 December)

1957
Reorganized and redesignated as the 9th Cavalry, a parent regiment under the Combat Arms Regimental System. (01 December)

1958
Headquarters and Headquarters Troop, 2nd Reconnaissance Squadron relieved from assignment to 9th Infantry Division and assigned to 24th Infantry Division and reorganized in Europe. (01 July)

1959
Troop "C", 9th Cavalry redesignated as Headquarters and Headquarters Troop, 3rd Reconnaissance Squadron, 9th Cavalry; concurrently withdrawn from the Regular Army, allocated to the Army Reserve and assigned to the 79th Infantry Division. (17 March)

1959
4th Squadron, 9th Cavalry redesignated as Headquarters and Headquarters Troop, 4th Reconnaissance Squadron, 9th Cavalry; concurrently withdrawn from the Regular Army, allocated to the Army Reserve and assigned to the 83rd Infantry Division. (19 March)

1959
Headquarters and Headquarters Troop, 4th Reconnaissance Squadron, 9th Cavalry activated. (20 March)

1959
Headquarters and Headquarters Troop, 3rd Reconnaissance Squadron, 9th Cavalry activated at Philadelphia, Pennsylvania. (06 April)

1962
Headquarters and Headquarters Troop, 5th Reconnaissance Squadron, 9th Cavalry redesignated as Headquarters and Headquarters Troop 5th Squadron, 9th Cavalry and assigned to 148th Armored Brigade. (02 December)

1962
Headquarters and Headquarters Troop, 5th Squadron, 9th Cavalry activated at Fort Ord, California. (21 December)

1963
Headquarters and Headquarters Troop, 2nd Reconnaissance Squadron reorganized and redesignated as 2nd Squadron, 9th Cavalry. (28 January)

1963
Headquarters and Headquarters Troop, 3rd Reconnaissance Squadron, 9th Cavalry inactivated at Philadelphia, Pennsylvania and relieved from assignment to 79th Infantry Division. (28 February)

1963
Headquarters and Headquarters Troop, 4th Reconnaissance Squadron, 9th Cavalry reorganized and redesignated as 4th Reconnaissance Squadron, 9th Cavalry. (15 April)

1963
1st Squadron, 9th Cavalry reorganized and redesignated as 1st Squadron, 9th Cavalry. (01 September)

1963
Headquarters and Headquarters Troop, 3rd Reconnaissance Squadron, 9th Cavalry redesignated as "C" Troop, 9th Cavalry and assigned to 157th Infantry Brigade. (03 December)

1964
"C" Troop, 9th Cavalry activated at Bristol, Pennsylvania. (01 February)

1965
1st Squadron, 9th Cavalry transferred (less personnel and equipment) from Korea to Fort Benning, Georgia and reorganized. (01 July)

1965
Fort Benning, Georgia
Transferred, less personnel and equipment, re-equipped and filled with personnel of the 11th Air Assault Division (Test). (03 July)

1965 Camp Radcliff, An Khe, Vietnam (September)

1965
4th Reconnaissance Squadron, 9th Cavalry inactivated at Mansfield, Ohio. (31 December)

1966
"C" Troop, 9th Cavalry Location changed to Wilkes-Barre, Pennsylvania. Home area: First United States Army. (31 January)

1967
4th Reconnaissance Squadron, 9th Cavalry withdrawn from Army Reserve and allocated to the Regular Army; concurrently relieved from assignment to 83rd Infantry Division, assigned to the 6th Infantry Division and activated at Fort Campbell, Kentucky. (24 November)

1968
Headquarters and Headquarters Troop, 5th Squadron, 9th Cavalry inactivated at Fort Ord, California and relieved from assignment to 194th Armored Brigade; concurrently redesignated as "E" Troop, 9th Cavalry and activated at Fort Ord, California. (04 January)

1968
4th Reconnaissance Squadron, 9th Cavalry inactivated at Fort Cambell, Kentucky and Schofield Barracks, Hawaii. (25 July)

1969
1st LT Robert L. Poxon, B-1/9 Cavalry earns the Medal of Honor. (02 June)

1969
SGT Donald S. Skidgel, D-1/9 Cavalry earns the Medal of Honor. (14 September)

1970
2nd Squadron, 9th Cavalry inactivated at Fort Riley, Kansas. (15 April)

1971
4th Reconnaissance Squadron, 9th Cavalry relieved from assignment to the 6th Infantry Division, assigned to the 1st Cavalry Division and activated at Fort Hood, Texas. (05 May)

1971
4th Reconnaissance Squadron, 9th Cavalry inactivated at Fort Hood, Texas. (30 June)

1971
Headquarters and Headquarters Troop, 6th Reconnaissance Squadron, 9th Cavalry redesignated as "F" Troop, 9th Cavalry Regimenmt, assigned to the 1st Cavalry Division, and activated in Vietnam. (30 June)

1972
4th Reconnaissance Squadron, 9th Cavalry activated at Fort Hood, Texas. (28 February)

1972
4th Reconnaissance Squadron, 9th Cavalry inactivated at Fort Hood, Texas and relieved from assignment to the 1st Cavalry Division. (13 September)

1973
"F" Troop, 9th Cavalry inactivated in Vietnam and relieved from assignment to the 1st Cavalry Division. (26 February)

1973
"E" Troop, 9th Cavalry inactivated at Fort Ord, California. (01 July)

1974
4th Reconnaissance Squadron, 9th Cavalry assigned to the 1st Cavalry Division and activated at Fort Hood, Texas. (19 November)

1975
4th Reconnaissance Squadron, 9th Cavalry relieved from assignment to the 1st Cavalry Division and assigned to the 6th Cavalry Brigade. (21 July)

1975
2nd Squadron, 9th Cavalry activated at Fort Stewart, Georgia. (21 September)

1986
4th Reconnaissance Squadron, 9th Cavalry inactivated at Fort Hood, Texas and relieved from assignment to the 6th Cavalry Brigade. (15 July)

1986
1st Squadron, 9th Cavalry inactivated at Fort Hood, Texas and relieved from assignment to the 1st Cavalry Division. (16 October)

1987
1st Squadron, 9th Cavalry assigned to the 9th Infantry Division and activated at Fort Lewis, Washington. (16 March)

1987
"E" Troop, 9th Cavalry redesignated as Headquarters and Headquarters Troop, 5th Squadron, 9th Cavalry, assigned to the 25th Infantry and activated at Schofield Barracks, Hawaii. (16 March)

1987
4th Reconnaissance Squadron, 9th Cavalry assigned to the 6th Infantry Division and activated at Fort Wainwright, Alaska. (18 March)

1991
1st Squadron, 9th Cavalry relieved from assignment to the 9th Infantry Division. (15 February)

1991
1st Squadron, 9th Cavalry reorganized as "A" Troop, 9th Cavalry and assigned to the 199th Infantry Brigade. (organic elements concurrently inactivated) (16 February)

1992
"A" Troop, 9th Cavalry relieved from assignment to the 199th Infantry Brigade. (16 July)

1992
3rd Battalion, 41st Infantry Regiment was redesignated 1st Battalion, 9th Cavalry Regiment. (29 November)

1992
"A" Troop, 9th Cavalry reorganized and redesignated as Headquarters and Headquarters Company, 1st Battalion, 9th Cavalry and assigned to the 1st Cavalry Division. (organic elements concurrently activated) (16 December)

1999
"F" Troop, 9th Cavalry assigned to the 1st Cavalry Division at Ft. Hood, TX. (20 April)

2003
"F" Troop, 9th Cavalry activated at Fort Hood, TX. (17 April)

Needs Data