US WW2 1st Special Service Force SSI

In a very good condition a hard to find US WW2 1st Special Service Force Shoulder Sleeve Insignia. The 1st Special Service Force was an elite American–Canadian commando unit in World War II, under the command of the United States Fifth Army. The unit was organized in 1942 and trained at Fort William Henry Harrison near Helena, Montana, in the United States. The Force served in the Aleutian Islands, and fought in Italy, and southern France before being disbanded in December 1944.