A former member of the U.S. Air National Guard (USANG), Jack Douglas Teixeira, 22, of North Dighton, Mass., was sentenced Tuesday in federal court in Boston for retaining and transmitting hundreds of pages of classified National Defense Information (NDI), including many documents designated top secret, on an online social media platform in 2022 and 2023. Teixeira was sentenced to 15 years in prison, to be followed by three years of supervised release. Teixeira was also barred from having contact with foreign agents.