(1) Vendor needs to provide infrastructure field support system maintenance service– Includes Software support, system administration, maintenance of all systems required for agency (High and Medium Altitude) systems to operate/interface with multiple sensors and exploitation systems. – Provides technical and engineering software and systems administration support to the agency process. – Involves comprehensive analysis, diagnostics and fault isolation for the sensors, associated ground components, and end–to–end network paths. – This includes mission preparation (i.e. system readiness, system/mission configurations relative to the sensor or communications link being utilized), direct mission execution support (to include real–time interfacing with the operators during anomalies, providing assistance to the users with mission execution) and post–mission support in further evaluating ground anomalies, to include maintenance actions, trouble tickets, and potential Deficiency Report submissions. – Technicians also provide sustainment support for system upgrades providing Subject Matter Expert (SME) assistance prior to an upgrade/time compliance (TCTO) technical order, SME and physical support during an upgrade, and post upgrade efforts (Tactics, Techniques, and Procedures, Operating Instructions, identifying means to streamline sustainment, on–the–job training to Air Force Personnel)