SE&I expertise across ITW/AA related to interface verification, system deployment, operations and sustainment. The contractor supports Chief Scientist actions and tasks supporting Global Threat Characterization and Assessment (GTCA).  Additionally, the contractor will interface with key ITW/AA stakeholders from North American Aerospace Defense Command (NORAD), United States Space Command (USSPACECOM) and United States Space Force (USSF), as well as stakeholders for Nuclear Command and Control (NC3), Space System Command (SSC) Air Warning (also known as Aerospace Control), Sensor Information sources, Data processing nodes (i.e. Operations centers), and Forward / End Users that network or interface to the ITW/AA network. They will also need to ensure the ITW/AA operational requirements receive the necessary level of ITW/AA change control management related to interface analyses, integration issues, and collaboration with key stakeholders for continued mission data integrity and accuracy. Finally, acts as the liaison for interfacing mission systems and the focal point for facilitating standardized review, assessment, coordination, control, planning, and baseline management of interface requirements.