A Massachusetts Air National Guard member who pleaded guilty to leaking highly classified military documents is expected to be sentenced in federal court.

Prosecutors said that Teixeira's actions represent one of the most severe breaches of the Espionage Act in recent memory.

Prosecutors will urge a U.S. judge on Tuesday to sentence Massachusetts Air National Guardsman Jack Teixeira to nearly 17 years in prison for leaking online highly classified military documents, including records related to Russia's war in Ukraine.

Jack Teixeira, a former United States airman part of the Massachusetts Air National Guard, was sentenced to 15 years in prison for leaking a significant trove of Pentagon documents on

Former Massachusetts Air National Guard member Jack Teixeira was sentenced Tuesday to 15 years for stealing classified information from the Defense Department and sharing it online, the U.S. attorney for Massachusetts announced.

Jack Teixeira was accused of sharing classified Defense Department documents on the online messaging platform Discord.

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.

Jack Teixeira, a US Air National Guardsman who leaked Pentagon documents last year in one of the highest-profile intelligence cases in recent years, has been sentenced to 15 years in prison. Teixeira,

Jack Teixeira, a Mass. Air National Guardsman, was sentenced in court today. The 22-year-old plead guilty to leaking military documents via Discord.