Major General Rudolf Sieckenius commander of 16th Panzer Division had organised his forces into four mixed arms battle groups which he had placed roughly 6 mi ( 9.7 km ) apart and between 3 and 6 mi ( 4.8 and 9.7 km ) back from the beaches .
Major General Rudolf Sieckenius commander of 16th Panzer Division had organised his forces into four groups .