The British General Service Medal (GSM) is a military decoration that was first introduced in 1918. It was awarded to members of the British Armed Forces and some Commonwealth forces for service in various campaigns and operations.
The GSM was originally designed to replace the India General Service Medal and was awarded for service in various campaigns.
The design of the medal features the effigy of the reigning monarch on the obverse, with a crown and the words "GEORGIVS V BRITT: OMN: REX ET IND: IMP:" for the First World War medal, and "ELIZABETH II DEI GRATIA REGINA FID: DEF:" for later issues. The reverse bears the wording "FOR CAMPAIGN SERVICE" with the specific campaign or operation named.
The GSM was awarded with different campaign clasps to denote the specific campaign or operation for which it was awarded. These clasps were affixed to the medal ribbon and included the names of campaigns and operations such as "Palestine," "Iraq," "Malaya," and "South Arabia