A former Air National Guard member will serve prison time because of his activities in a gaming-focused chat app. Jack Teixeira, who previously served in the Massachusetts Air National Guard, was sentenced to 15 years in prison for pilfering classified documents from the Department of Defense and sharing them to a Discord server,

The leak caught national intelligence officials by surprise and led to an embarrassing Air Force Inspector General investigation.

After pleading guilty to the most consequential national security breach in years, Massachusetts Air National Guardsman Jack Teixeira faces 15 years in prison. He leaked secret reports of the war in Ukraine on the social media platform Discord.

The Discord leaks rocked the U.S. national security establishment, revealing the speed with which top-secret materials can spread online.

A federal judge sentenced a Massachusetts Air National Guard member to 15 years in prison after pleading guilty to leaking classified military documents.

Prosecutors said Jack Teixeira "perpetrated one of the most significant and consequential violations of the Espionage Act in American history."

The former Air National Guardsman was accused of exposing details of American surveillance of adversaries and allies.