What is the classification level that would indicate a risk of severe damage to national security if disclosed?

The classification level indicating a risk of severe damage to national security if disclosed is "Secret." This classification is used for information that, if made public, could cause significant harm to national security, including the United States' ability to execute foreign policy or military plans effectively.

In the classification system, there are levels of sensitivity assigned to information, and "Secret" is the middle tier among the primary levels. This level requires protection to prevent unauthorized disclosure, as it is deemed that the information could be harmful to national security interests.

Understanding the hierarchy of classification levels is crucial, as each level serves a specific purpose and defines the type of risk associated with disclosure. "Top Secret" represents the highest sensitivity and would imply a risk of exceptionally grave damage, while "Confidential" pertains to information that could cause damage but is considered less severe than "Secret." "Classified" is a general term that encompasses both "Secret" and "Confidential," but it does not specify the severity of risk associated with the information.