When did Socrates join the military?

Socrates is known to have served as a hoplite, or heavily armed foot soldier, during the Peloponnesian War, which took place from 431 to 404 BCE. Historical accounts suggest that he participated in several key battles, including the Battle of Potidaea in 432 BCE, the Battle of Delium in 424 BCE, and the Battle of Amphipolis in 422 BCE. His military service is often noted as a testament to his character and bravery.