Conversation so far:
What did Winfield Scott do after the war of 1812.
Following the War of 1812, Scott helped standardize the drill regulations for the army.
Are there any other interesting aspects about the article about Winfield Scott?
Scott holds the record for the greatest length of active service as general in the U.S. Army, as well as the longest tenure as the army's chief officer.

Question: How long did he continue to serve?
Self-contained rewrite: How long did Winfield Scott continue to serve in the military?