| Authority: | AGAO-O (M) 322, 5 February 1957 |
The unit was activated on 15 February 1957 at Ft. Riley, Kansas, under TO&E 1-7T ROCID.
| Authority: | General Order 18, Fifth United States Army, 14 February 1957 |
15 February was designated as Unit Day.
| Authority: | Letter AG 006 ALFGA-MS, Fifth US Army, 10 April 1957 |
The unit was reorganized under TO&E 1-7T ROCID, effective 1 October 1957.
Authorized strength 69 Officers, 1 Warrant Officers and 137 Enlisted Men.
| Authority: | General Order 125, Fifth US Army, 15 October 1957 |
The unit was reorganized under TO&E 300-11, effective 15 December 1959.
| Authority: | General Order 134, Fifth US Army, 7 December 1959 |
The unit was reorganized under TO&E 1-7D 1960, effective 20 April 1960.
Authorized strength 71 Officers, 1 Warrant Officers, 26 NCO's and 159 Enlisted Men.
| Authority: | General Order 35, Fifth US Army, 19 April 1960 |
The unit was reorganized under TO&E 1-7D 1960, effective 23 September 1960.
Authorized strength 71 Officers, 1 Warrant Officers, 26 NCO's and 159 Enlisted Men.
| Authority: | General Order 88, Fifth US Army, 29 September 1960 |
The unit was reorganized under TO&E 1-7D 1960, Ch 1, effective 25 June 1961.
Authorized strength 71 Officers, 1 Warrant Officers and 185 Enlisted Men.
| Authority: | General Order 26, Fifth US Army, 5 May 1961 |
The unit was reorganized under TO&E 1-7D 1960, effective 9 August 1961.
Authorized strength 75 Officers, 1 Warrant Officers and 185 Enlisted Men.
| Authority: | General Order 52, Fifth US Army, 14 August 1961 |
The unit was reorganized under TO&E 1-7D 1960, Ch 2 (TO&E 300-21) effective 25 May 1962.
Authorized strength 61 Officers, 15 Warrant Officers and 185 Enlisted Men.
| Authority: | General Order 46, Fifth US Army, 14 May 1962 |
The unit was reorganized under TO&E 1-7D 1960, Ch 3 (TO&E 300-23) effective 1 September 1962.
Authorized strength 61 Officers, 15 Warrant Officers and 185 Enlisted Men.
| Authority: | General Order 119, Fifth US Army, 10 August 1962 |
The unit was redesignated the 1st Aviation Battalion under TO&E 1-75E, effective 23 October 1963.
Authorized strength 44 Officers, 23 Warrant Officers and 250 Enlisted Men.
| Authority: | AGAO -O (M), 20 September 1963 |
Company "A" and Company "B" were constituted and alloted to the Regular Army as organic elements of the 1st Aviation Battalion and activated at Ft. Riley, Kansas, effective 22 January 1964.
| Authority: | AGAO -O (M), 20 September 1963 |
| General Order 105, Fifth US Army, 4 November 1963 |
The unit was reorganized under TO&E 1-75E, 1963, DA Letter MEDO, 19 July 1962 effective 1 June 1964.
Authorized strength 46 Officers, 23 Warrant Officers and 263 Enlisted Men.
| Authority: | General Order 62, Fifth US Army, 22 May 1964 |
Company "A" was reorganized under TO&E 1-77E, 1963, Ch 1 (TO&E 300-27) effective 18 March 1965.
Authorized strength 14 Officers, 41 Warrant Officers and 115 Enlisted Men.
| Authority: | General Order 29, Fifth US Army, 19 March 1965 |
Company "A" was transferred on permanent change of station from Ft Riley to United States Army, Pacific, effective 1 May 1965 under Project Code UPA. Upon arrival in Vietnam, the unit was further assigned to United States Army Support Command, Vietnam
| Authority: | DA Message 708373, 24 March 1965 |
| General Order 83, US Army, Pacific, 14 May 1965 |
The unit (less Company "A") was reorganized effective 20 May 1965 under TO&E 1-75E.
Authorized strength of 34 Officers, 7 Warrant Officers and 178 Enlisted Men.
| Authority: | General Order 78, Fifth US Army, 20 May 1965 |
The remaining elements of the battalion were transferred on permanent change of station from Ft Riley to United States Army, Pacific, effective 17 October 1965 under Project Code UQ.
| Authority: | DA Message 7721221, 24 June 1965 |
The unit was reorganized effective 10 February 1966 under TO&E 1-75E.
Authorized strength of 34 Officers, 13 Warrant Officers and 166 Enlisted Men.
| Authority: | General Order 30, US Army, Pacific, 7 February 1966 |
Company "B" was reorganized effective 15 November 1967 under MTO&E 1-78E, USAPAC 3/67, Level 1.
Authorized strength of 21 Officers, 12 Warrant Officers and 103 Enlisted Men.
| Authority: | General Order 239, US Army, Pacific, 7 November 1967 |
All elements of the 1st Aviation Battalion were inactivated effective 15 April 1970.
| Authority: | Department of the Army Message 940715, 9 February 1970 1971 |
| General Order 149, Fifth US Army, 24 March 1970 |
No restricted and/or classified information is contained herein. This home page and web site have been constructed and will be maintained entirely by the author, and the author is responsible for the contents and accuracy of this site. The contents of this page have not been reviewed, approved, or monitored by the United States Army, nor is this page and/or it's contents a representation of such. All comments, questions, and concerns should be directed to the author - Howard Ohlson
This history has been retracted, in its entirety, from the
United States National Archives, Washington, D.C.
(U. S. Government publication,
no copyright applicable).
Last update: April 27, 1997