89th Air Service Group

Hq and Base Services Sq
502nd Air Engineering Sq
501st Air Material Sq

Activated 1 Aug 41 as the 89th Air Base Gp(1), redesignated 89th Service Gp 10 Jun 42, redesignated 89th Air Service Group (unknown date -- no information on unit between Feb 44 and Feb 45 so may have been inactive or disbanded), active until 17 Nov 45, disbanded 8 Oct 48.

Assigned to West Coast AC Fly Tng Ctr/AAF West Coast Fly Tng Ctr 1941 to 1942, Merced Repl Ctr to Sep 42, unknown to 1944, Warner Robins Air Tech Svc Cd to Feb 44, 314 Bomb Wg from Feb 45.

Stationed at Moffett Fld, CA 1941 to 9 Dec 41 Merced AAF, CA to 15 Dec 42, unknown to 18 Feb 45, North Fld, Guam.