 Other squadrons flew coastal patrols from Great Yarmouth before the end of the year.The United States Marine Corps Northern Bombing Group received at least 53 DH-9As, and commenced operations in September 1918.While the squadrons in service at the end of the First World War quickly disbanded or re-equipped in the postwar dis-armament, the DH.9A continued in service as the RAF's standard light bomber, with 24 squadrons being equipped between 1920 and 1931, both at home and abroad.