Please answer the following question: Facts: - alt: luftwaffe - caption: robert wei - battles: world war ii - death date: 29 december 1944 - allegiance: nazi germany - commands: 3 jg 54 . / jg 54 , iii . / - nickname: '' bazi '' - rank: hauptmann - awards: knight leaves 's cross of the iron cross with oak - birth date: 21 april 1920 - serviceyears: 1939 -- 44 - name: robert wei - branch: 18px - unit: jg 26 , jg 54 - image: robert wei.jpg - death place: near lingen - birth place: baden , austria Based on these bullet points, write a short biography describing the life of robert wei .
A:
robert '' bazi '' wei -lrb- 21 april 1920 -- 29 december 1944 -rrb- was a german world war ii fighter ace who served in the luftwaffe from 1939 until his death on 29 december 1944 .a flying ace or fighter ace is a military aviator credited with shooting down five or more enemy aircraft during aerial combat .he was also 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 .