sentences:  The enactment of 28 September 1941 introduced the Knight's Cross of the Iron Cross with Oak Leaves and Swords () and the Knight's Cross of the Iron Cross with Oak Leaves, Swords and Diamonds ().At the end of 1944 the final grade, the Knight's Cross of the Iron Cross with Golden Oak Leaves, Swords, and Diamonds (), based on the enactment of 29 December 1944, became the final variant of the Knight's Cross authorized.The Oberkommando der Wehrmacht (Supreme Command of the Armed Forces) kept separate Knight's Cross lists for the Waffen-SS and for each of the three military branches, the Heer (Army), Kriegsmarine (Navy), and Luftwaffe (Air Force).