The Distinguished Service Cross (DSC) is a military decoration awarded to personnel of the Australian Defence Force. It is awarded for distinguished command and leadership in action. The DSC was introduced in 1991 and is the highest distinguished service decoration in the Australian Honours System. Recipients of the Distinguished Service Cross are entitled to use the post-nominal letters "DSC". Since its inception 64 awards have been made—which includes two Bars—with the most recent being announced in the 2012 Queen's Birthday Honours List.