Lineage
26 Feb 1918 – Organized as 73rd Aero Squadron
4 Jul 1919 – Demobilized
18 Oct 1927 – Constituted
8 May1929 – Redesignated 73rd Pursuit Squadron
15 Jul 1931 – Activated
1 Mar 1935 – Redesignated 73rd Attack Squadron
17 Oct 1939 – Redesignated 73rd Bombardment Squadron (Medium)
1 Nov 1943 – Disbanded
Assignments
26 Feb - Nov 1918 – Unknown
Nov - 1918-1919 – 2d Day Bombardment Group
1919 - 4 Jul 1919 – Unknown
15 Jul 1931 – 17th Pursuit Group
3 May 1941 – 28th Composite Group
6 Oct - 1 Nov 1943 – Second Air Force
Stations
26 Feb 1918 – Waco, Tx
1 Mar 1918 – Call Field, Tx
16 Jul - 13 Aug 1918 – Garden City, NY
c. 5 Sep 1918 – St Maixent, France
c. 20 Sep 1918 – Delouze, France
c. 5 Oct 1918 – Colombeyles-Belles, France
c. 15 Nov 1918 - 1919 – Ourches, France
c. 19 Jun - 4 Jul 1919 - Hazelhurst Field, NY
15 Jul 1931 – March Field, Ca
26 Jun 1940 - 10 Mar 1941– McChord Field, Wa
14 Mar 1941 – Elmendorf Field, Ak
1942 - 1943 - (Detachments operated from Ft Randall, Umnak, Adak, and Amchitka)
Apr 1943 – Umnak, Ak
Jun - 30 Aug 1943 – Amchitka, Ak
14 Sep 1943 - Paine Field, Wa
6 Oct - 1 Nov 1943 – Pyote AAFld, Tx
Aircraft
1931 - 1934 – P-12
1934 - 1935 - P-26
1935 - 1936 - P-12
1936 - 1940 - A-17
1939 - 1942 - B-18
1942 - 1943 - B-26
1942 - 1943 - B-25
Operations
c. 15 Nov 1918 - 1919 – Air park with Second Army
2 - 5 Mar 1938 – Reconnaissance inn support of flood-relief in Southern California
Dec 1941 - 13 Aug 1943 – Combat in the Northern Pacific
Service Steamers
Theater of Operations
Campaigns
Aleutian Islands; Air Combat, Asiatic-Pacific Theater
Decorations
None
Emblem
On a hurt and within an amulet or a conventionalized California Bear's head and shoulders affronte, with right paw raised, of the last, markings sable, eyes and tongue gules. (Approved 23 May 1932)