The General Service Medal is a military award established by the United Kingdom in 1918. It is given to members of the armed forces who have completed a specified period of service in various operational theaters. The medal recognizes service in conflicts or peacekeeping missions, and it has multiple clasps that denote specific campaigns or operations. The medal features a design that includes the image of the reigning monarch and is typically awarded to personnel in the British Army, Royal Navy, and Royal Air Force. It serves as a symbol of commitment and sacrifice for those who have served in challenging environments.