Q:What type of details about rolf mützelburg  can be gathered from the following bio?  Bio: `` kapitänleutnant '' rolf mützelburg -lrb- 23 june 1913 -- 11 september 1942 -rrb- was a german u-boat commander during world war ii and a recipient of the knight 's cross of the iron cross with oak leaves -lrb- -rrb- . the knight 's cross of the iron cross and its higher grade oak leaves was awarded to recognise extreme battlefield bravery or successful military leadership . mützelburg died on active service on 11 september 1942 following an accident at sea .
A:
- battles - death date - allegiance - commands - rank - awards - birth date - serviceyears - name - branch - unit - image - death place - birth place