serviceyears branch commands death_place death_date birth_place allegiance awards battles birth_date rank image article_title name
1931 -- 45 1956 -- 70 weimar republic nazi germany ger u-98 '' marinedivision nordsee '' 1940 2 u-177 2 '' marinepanzerjagd-regiment 1 '' wilhelmshaven , germany 26 april 1989 berlin-charlottenburg , german empire weimar to 1945 -rrb- west germany republic -lrb- to 1933 -rrb- nazi germany -lrb- iron war badge knight 's cross of the iron cross with cross oak leaves u-boat front clasp 1st class iron cross 2nd class u-boat battle of the atlantic 14 january 1911 '' '' flottillenadmiral '' -lrb- '' bundesmarine '' -rrb- korvettenkapitän '' -lrb- '' kriegsmarine '' -rrb- , robert gysae.jpg robert gysae
 robert gysae
robert gysae

robert gysae -lrb- 14 january 1911 -- 26 april 1989 -rrb- was a `` korvettenkapitän '' with the `` kriegsmarine '' during world war ii .
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 .
gysae commanded and , sinking twenty-five ships on eight patrols , for a total of tons of allied shipping , to become the fifteenth highest scoring u-boat ace of world war ii .
