sentences:  The "Oberkommando der Wehrmacht" kept separate Knight's Cross lists, one for each of the military branches, "Heer" (Army), "Kriegsmarine" (Navy), "Luftwaffe" (Air force) and for the "Waffen-SS".Within each of these lists a unique sequential number was assigned to each recipient.The same numbering paradigm was applied to the higher grades of the Knight's Cross, one list per grade.