https://www.foxnews.com/science/top-...ional-security

Responding to Vice's Freedom of Information Act request, the Navy said it had "discovered certain briefing slides that are classified TOP SECRET. A review of these materials indicates that are currently and appropriate Marked and Classified TOP SECRET under Executive Order 13526 and the Originial Classification Authority has determined that release of these materials would cause exceptionally grave damage to the National Security of the United States."