The Defense Distinguished Service Medal is the highest non-combat award presented by the United States Department of Defense. It recognizes individuals for exceptionally meritorious service in a position of great responsibility, typically at the level of senior military or civilian leadership. The medal is awarded for contributions that significantly enhance national security or defense operations. Established in 1976, the medal is often awarded to senior officials, including members of the U.S. Armed Forces and Department of Defense civilians. Recipients demonstrate outstanding leadership, innovation, and dedication, making a lasting impact on defense policies and programs.