Distinguished Service Medal
Award
The Distinguished Service Medal was a military decoration awarded until 1993 to personnel of the Royal Navy and members of the other services, and formerly to personnel of other Commonwealth countries, up to and including the rank of Chief Petty... Wikipedia
Awarded for: Set an example of bravery and resource under fire at sea
First awarded: 1914
Next (higher): Union of South Africa Queen’s Silver Medal for Bravery (de jure); George Medal (de facto)
Presented by: UK and Commonwealth