Please answer the following question: What type of details about walter elflein  can be gathered from the following bio?  Bio: walter elflein -lrb- 10 december 1914 -- 30 december 2000 -rrb- was a highly decorated `` major '' of the reserves in the wehrmacht during world war ii . he was also a recipient of the knight 's cross of the iron cross with oak leaves . 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 .
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- birth name - battles - death date - allegiance - rank - awards - birth date - serviceyears - name - branch - unit - death place - birth place