What does CNWDI stand for in the context of classified information?

In the context of classified information, CNWDI stands for Critical National Weapons Data Information. This designation refers specifically to data that is essential for the development, production, and maintenance of nuclear weapons. The classification level indicates the importance of this information for national security and the potential risks associated with its unauthorized access or disclosure.

By labeling certain data as "critical," it emphasizes the need for stringent security measures to safeguard it, given that any compromise could significantly affect national defense capabilities. Thus, understanding the classification and its implications is crucial for anyone working with or around classified information related to nuclear weapons.