List of observation squadrons of the United States Army National Guard
Squadrons
* Note: The "Federal Recognition" date is the effective date the unit was recognized for National Guard Service. Demobilized World War I Air Service units were re-established and re-designated effective that date.

List of observation squadrons of the United States Army National Guard

Section Title: Squadrons
Table Section Text: * Note: The "Federal Recognition" date is the effective date the unit was recognized for National Guard Service. Demobilized World War I Air Service units were re-established and re-designated effective that date.

Unit	State	Organized	Federal Recognition*	Federalized / Inactivated	Comments

101st Observation Squadron	Massachusetts	22 August 1917	25 January 1923	25 November 1940	Initially World War I 101st Aero Squadron. Deployed to France, was aircraft maintenance unit.

102d Observation Squadron	New York	23 August 1917	17 November 1921	15 October 1940	Origins begin in April 1908 as 1st Aero Company, New York National Guard. Disbanded 1917.

103d Observation Squadron	Pennsylvania	27 June 1924	27 June 1924	17 February 1941	28th Division, PA National Guard. Ordered to active service on 17 Feb 1941; allotted to ANG, on 24 May 1946; now 103d Fighter Squadron, inactivated 2010.

104th Observation Squadron	Maryland	29 June 1921	29 June 1921	3 February 1941	29th Division, MD National Guard. Ordered to active service on 3 Feb 1941; allotted to ANG, on 24 May 1946; now 104th Fighter Squadron

107th Observation Squadron	Michigan	27 August 1917	7 May 1926	15 October 1940	Initially World War I 107th Aero Squadron. Deployed to France, assembled, serviced and repaired aircraft.

108th Observation Squadron	Illinois	27 August 1917	1 July 1927	3 February 1941	Initially World War I 108th Aero Squadron. Deployed to France, repaired and maintained aircraft.

109th Observation Squadron	Minnesota	27 August 1917	17 January 1921	10 February 1941	Initially World War I 109th Aero Squadron, deployed to France, primarily a transportation unit on Western Front, demobilized 1919; Re-formed 1921, 34th Division, MN National Guard.

110th Observation Squadron	Missouri	14 August 1917	23 June 1923	23 December 1940	Initially World War I 110th Aero Squadron, assigned to Kelly Field, Texas, as a repair squadron, later re-designated as 804th Aero Squadron, "Squadron K, Kelly Field"; demobilized 1918.

111th Observation Squadron	Texas	14 August 1917	29 June 1923	25 December 1940	Initially World War I 111th Aero Squadron, operated as a supply unit at Kelly Field, Texas, later re-designated as 632d Aero Squadron, demobilized 1919.

112th Observation Squadron	Ohio	18 August 1917	20 June 1927	25 November 1940	Initially World War I 112th Aero Squadron, remained in United States, demobilized 1919; Re-formed 1927, 37th Division, OH National Guard. Ordered to active service on 25 Nov 1940; allotted to ANG, on 24 May 1946; now 112th Fighter Squadron

113th Observation Squadron	Indiana	26 August 1917	1 August 1921	17 January 1941	Initially World War I 113th Aero Squadron, remained in United States, demobilized 1919; Re-formed 1921, 38th Division, IN National Guard. Ordered to active service on 17 Jan 1941; allotted to ANG, on 24 May 1946; now 113th Air Support Operations Squadron

114th Observation Squadron 106th Observation Squadron	Alabama	27 August 1917	21 January 1922	25 November 1940	Initially World War I 106th Aero Squadron, deployed to France, repaired and maintained aircraft, demobilized 1919; reformed as 114th Observation Squadron; consolidated (1936) with 135th Squadron (organized 21 Jan 1922); served from 1923 with 39th Division to 1924 and thereafter with 31st Division, AL National Guard.

115th Observation Squadron	California	28 August 1917	16 June 1924	3 March 1941	Initially World War I 115th Aero Squadron. Deployed to France, Constructed facilities and engaged in supply and related base support activities, demobilized 1919; Re-formed 1924, 40th Division, CA National Guard.

116th Observation Squadron	Washington	29 August 1917	6 August 1924	16 September 1940	Initially World War I 116th Aero Squadron, deployed to France. Performed transportation and supply missions on the Western Front, demobilized 1919; Re-formed 1924, 41st Division, WA National Guard.

118th Observation Squadron	Connecticut	31 August 1917	1 November 1923	24 February 1941	Initially World War I 118th Aero Squadron, deployed to France. Constructed facilities, repaired aircraft and equipment, and served as a transportation and supply missions on the Western Front, demobilized 1919; Re-formed 1923, 43d Division, CT National Guard.

119th Observation Squadron	New Jersey	8 June 1917	30 January 1930	18 October 1942	Initially World War I 5th Aviation School Squadron (later 119th Aero Squadron), remained in the United States, demobilized 1919; Re-formed 1930, 44th Division, NJ National Guard.

120th Observation Squadron	Colorado	28 August 1917	27 June 1923	6 January 1941	Initially World War I 120th Aero Squadron, deployed to England. primarily aircraft maintenance unit, demobilized 1919; Re-formed 1923, 45th Division, CO National Guard.

121st Observation Squadron	District of Columbia	10 July 1940	10 April 1941	1 September 1941	DC National Guard. Ordered to active service on 1 Sep 1941; allotted to ANG, on 24 May 1946; now 121st Fighter Squadron

122d Observation Squadron	Louisiana	30 July 1940	2 March 1941	1 October 1941	LA National Guard, Ordered to active service on 1 October 1941; re-designated 885th Bombardment Squadron, 12 May 1944. allotted to ANG, on 24 May 1946; now 122d Fighter Squadron.

123d Observation Squadron	Oregon	30 July 1940	18 April 1941	15 September 1941	OR National Guard, Ordered to active service on 18 April 1941; re-designated 35th Photo Reconnaissance Squadron, 11 August 1943. allotted to ANG on 24 May 1946; now 123d Fighter Squadron

124th Observation Squadron	Iowa	30 July 1940	25 February 1941	15 September 1941	IA National Guard, Ordered to active service on 15 September 1941; allotted to ANG, on 24 May 1946; now 124th Fighter Squadron

125th Observation Squadron	Oklahoma	30 July 1940	15 February 1941	15 September 1941	OK National Guard, Ordered to active service on 15 September 1941; allotted to ANG, on 24 May 1946; now 125th Fighter Squadron

126th Observation Squadron	Wisconsin	30 July 1940	12 November 1940	2 June 1941	WI National Guard, ; Ordered to active service on 15 September 1941; re-designated 34th Photographic Reconnaissance Squadron on 11 Aug 1943; allotted to ANG on 24 May 1946; now 126th Air Refueling Squadron

127th Observation Squadron	Kansas	30 July 1940	4 August 1941	6 October 1941	KS National Guard, Ordered to active service on 6 October 1941; allotted to ANG, on 24 May 1946; now 127th Command and Control Squadron

128th Observation Squadron	Georgia	1 February 1918	1 May 1941	15 September 1941	Initially World War I 840th Aero Squadron, deployed to France. repaired and rebuilt damaged aircraft on the Western Front, demobilized 1919; Re-formed 1940, GA National Guard.

136th Observation Squadron 105th Observation Squadron	Tennessee	27 August 1917	4 December 1921	18 October 1942	Initially World War I 105th Aero Squadron, deployed to France. operated as a supply unit, demobilized 1919; reformed as 105th Observation Squadron; consolidated (1936) with 136th Squadron (organized 4 Dec 1921), 30th Division, TN National Guard; Inactivated on 18 October 1942; Re-activated on 1 March 1943 as 105th Reconnaissance Squadron (Bombardment); allotted to ANG on 24 May 1946; now 105th Airlift Squadron

152d Observation Squadron	Rhode Island	21 August 1939	13 October 1939	25 November 1940	RI National Guard, Ordered to active service on 25 November 1940; re-designated: 37th Photographic Reconnaissance Squadron, 15 June 1943. allotted to ANG, on 24 May 1946; now Rhode Island ANG 143d Airlift Squadron

153d Observation Squadron	Mississippi	18 August 1939	27 September 1939	15 October 1940	MS National Guard, Ordered to active service on 15 October 1940; allotted to ANG, on 24 May 1946; now 153d Air Refueling Squadron

154th Observation Squadron	Arkansas	8 December 1917	24 October 1925	16 September 1940	Initially World War I 154th Aero Squadron, deployed first to England, then France. Repaired and maintained aircraft on the Western Front.

Sentence(s)

On 17 January 1921, the 109th Observation Squadron of the Minnesota National Guard became the first air unit to receive federal recognition.

final_sentence: On 17 January 1921, the 109th Observation Squadron of the Minnesota National Guard became the first air unit to receive federal recognition.