Which of the following is NOT a doctrinal type of command and control (C2) Structure for multinational operations

Unified Command Structure

Integrated Command Structure

Lead Nation Command Structure

Parallel Command Structure

Unified command structure

Explanation:

Unified command structure

it is a part of authority system within which incident commander role is handle by two individual or may be more, and each each individual already authorizing in their respective agency.

The main objective of this structure is to combine all incident structure from different organisation for collective response.