Which designation relates to intelligence oversight?

The designation that relates to intelligence oversight is G-2. In military and intelligence contexts, G-2 typically refers to the intelligence staff or officer responsible for collecting, analyzing, and disseminating intelligence information. This role encompasses ensuring that intelligence activities are conducted in compliance with laws, regulations, and policies, which is fundamental to the concept of oversight. The G-2's responsibilities may include evaluating the effectiveness of intelligence operations and ensuring accountability within the intelligence community, making it vital for maintaining ethical and legal standards in intelligence activities.

The other designations, like G-1, G-3, and G-4, relate to different domains of military operations where G-1 usually involves personnel and administration, G-3 focuses on operations and training, while G-4 pertains to logistics and support. These functions do not directly engage with intelligence oversight like the G-2 does.