49th Bombardment Squadron, Medium

Organized as 49 Aero Squadron on 6 Aug 1917. Demobilized on 22 Mar 1919. Reconstituted and consolidated (16 Oct 1936) with 166 Aero Squadron which was organized on 18 Dec 1917 and redesignated as 49 Squadron on 14 Mar 1921. Redesignated as: 49 Bombardment Squadron on 25 Jan 1923; 49 Bombardment Squadron (Heavy) in 6 Dec 1939. Inactivated on 28 Feb 1946. Redesignated as 49 Bombardment Squadron, Very Heavy, on 5 Apr 1946. Activated on 1 Jul 1947. Redesignated as 49 Bombardment Squadron, Medium, on 28 May 1948. Inactivated on 1 Apr 1963. Redesignated as 49 Test Squadron on 12 Feb 1986. Activated on 1 Jul 1986. Redesignated as 49 Test and Evaluation Squadron on 20 Nov 1998.