Answer:
Mission Analysis.
Explanation:
Generally, the mission analysis activity focuses on the identification of the primary purpose(s) of the solution, while Stakeholder Needs and Requirements activity explores what capabilities stakeholders desire in accomplishing the mission and may include some detail on the performance of certain aspects of the solution.
Mission Analysis (MA) is described as part of the larger set of concept definition activities the set of systems engineering activities in which the problem space and the needs of the business or enterprise and stakeholders are closely examined.