Conversation so far:
Is there anything interesting about Erich Ludendorff's Pre-war military career?
In 1885, Ludendorff was commissioned as a subaltern into the 57th Infantry Regiment, then at Wesel.
Where was he based after that?
Over the next eight years, he was promoted to lieutenant and saw further service in the 2nd Marine Battalion, based at Kiel and Wilhelmshaven.
What was his highest rank?
He rose rapidly and was a senior staff officer at the headquarters of V Corps from 1902 to 1904.
Did he go to school for military?
CANNOTANSWER.

Question: What did he do after 1904?
Self-contained rewrite: What did Erich Ludendorff do after 1904?