A Georgia woman who mailed a secret U.S. report to a news organization faces the “longest sentence” ever behind bars for a federal crime involving leaks to the news media, prosecutors said in a court filing.

Former National Security Agency contractor Reality Winner, 26, is scheduled to be sentenced Aug. 23 by U.S. District Court Judge J. Randal Hall in Augusta. She pleaded guilty in June to a single count of transmitting national security information when she worked in Augusta as a translator at an NSA facility.