
![]()
01 December 1919; Redesignated as the 84th Motor Transport Company.
31 December 1920; Demobilized at Camp Dix, New Jersey.
01 May 1936; Reconstituted in the Regular Army of the United States as "D"
Troop, 16th Quartermaster Squadron, an element of the 1st Cavalry
Division.
15 January 1941; Activated at Fort Ringgold, Texas.
15 March 1943; Reorganized and redesignated as "C" Troop, 16th Cavalry
Quartermaster Squadron.
15 November 1946; Redesignated and reorganized as the 15th Quartermaster Pack
Troop, an element of the 1st Cavalry Division.
31 March 1947; Reorganized and redesignated as the 15th Quartermaster
Troop.
25 March 1949; Reorganized and redesignated as the 15th Quartermaster
Company.
01 September 1963; Reorganized and redesignated as Headquarters and
Headquarters Company, 15th Supply and Transport Battalion and remained
assigned to the 1st Cavalry Division (organic elements concurrently
constituted and activated).
01 July 1965; Reorganized and redesignated as the 15th Supply and Service
Company.
05 May 1971; Reorganized and redesignated as the 15th Supply and Transport
Battalion.
15 September 1985; Inactivated at Fort Hood, Texas.
01 May 1987; Redesignated as the 115th Support Battalion and activated at Fort
Hood, Texas.
1919
Redesignated as the 84th Motor Transport Company. (01 December)
1920
Demobilized at Camp Dix, New Jersey. (31 December)
1936
Reconstituted in the Regular Army of the United States as "D" Troop, 16th
Quartermaster Squadron, an element of the 1st Cavalry Division. (01 May)
1941
Activated at Fort Ringgold, Texas. (15 January)
1943
Reorganized and redesignated as "C" Troop, 16th Cavalry Quartermaster Squadron.
(15 March)
1944
Los Negros Island Landing (29 February)
1945
"First in Manila" (03 February)
"First in Tokyo" (08 September)
1946
Redesignated and reorganized as the 15th Quartermaster Pack Troop, an element
of the 1st Cavalry Division. (15 November)
1947
Reorganized and redesignated as the 15th Quartermaster Troop. (31 March)
1949
Reorganized and redesignated as the 15th Quartermaster Company. (25 March)
1950
"First amphibious landing in Korea. (18 July)
"First in Pyongyang" (19 October)
1963
Reorganized and redesignated as Headquarters and Headquarters Company, 15th
Supply and Transport Battalion and remained assigned to the 1st Cavalry
Division (organic elements concurrently constituted and activated).
(01 September)
1965
Reorganized and redesignated as the 15th Supply and Service Company.
(01 July)
1970
"First in Cambodia" (01 May)
1971
Reorganized and redesignated as the 15th Supply and Transport Battalion.
(05 May)
1985
Inactivated at Fort Hood, Texas. (15 September)
1987
Redesignated as the 115th Support Battalion and activated at Fort Hood, Texas.
(01 May)
Revised 19 Aug '04