What reporting flag word alerts agencies to nuclear surety deficiencies?

The correct reporting flag word that alerts agencies to nuclear surety deficiencies is "Dull Sword." This term is specifically used within the context of nuclear operations to indicate a situation that requires immediate attention due to deficiencies in nuclear surety. Nuclear surety refers to the measures taken to protect nuclear weapons from accidents, unauthorized access, or unauthorized use, and the "Dull Sword" designation acts as a warning that certain standards are not being met.

Contextually, the other options do not convey the same level of seriousness regarding nuclear surety. "Red Alert," "Code Yellow," and "Green Light" are not standardized flag words used within the same framework as "Dull Sword" in the context of nuclear weapons management. They may imply other types of alerts or statuses in different operational contexts but do not specifically relate to nuclear surety deficiencies. Understanding the specific terminology associated with nuclear operations is crucial for ensuring safety and compliance within those areas.