British Meritorious Service Medal Air Force 1918-1928
Ribbon is available per centimetre ( minimum 15cms )
100cm = 1 metre
The Royal Air Force version of the medal was instituted in 1918, for meritorious service not involving flight.[5] It was superseded in 1928 by the Empire Gallantry Medal. Awards of the medal began again in 1977 using the same criteria as the Army.[1]