GALVESTON, Texas — A former member of the U.S. Navy has been sentenced to prison for illegally keeping classified national defense information, including that of some U.S. nuclear operations.

The Justice Department says 43-year-old Weldon Marshall of Sherman, Texas, was sentenced Wednesday to 41 months in prison.

Trump pardons sailor convicted of taking illegal photos aboard submarine The case of Former Machinist's Mate 1st Class Kristian Saucier had become entangled with the 2016 presidential campaign and former Secretary of State Hillary Clinton's own mishandling of classified information.

Marshall pleaded guilty March 5 as part of a deal in which he admitted taking top secret documents when he left the Navy in 2004. He also admitted taking secret documents about U.S. operations in Afghanistan while he worked as a defense contractor for various companies.

Marshall’s rank and how he used the documents were not revealed. Assistant U.S. Attorney Alamdar Hamdani and defense attorney Mark Diaz declined further comment.