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

Jack Teixeira, 22, pleaded guilty in March to six counts of willful retention and transmission of national defense information under the Espionage Act. He was looking at a maximum of more than 16

By Nate Raymond BOSTON (Reuters) -Massachusetts Air National Guard member Jack Teixeira was sentenced on Tuesday to 15 years in prison for leaking online highly classified U.S. military documents, including some related to Russia's invasion of Ukraine.

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.

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

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,