Military-Civilian Partnerships (MCPs) augment the readiness of the medical force by supplementing the clinical volume and casemix available within the direct care system by integrating military medics in civilian medical facilities. Several models of MCPs have emerged with similar but varying degrees of integration with both the direct care system and the civilian partner institution. However, to date, there has been no systematic study of the costs and benefits of the various models. In this study, we characterize the provider workload as well as the realized medical readiness in terms of the Knowledge, Skills, and Abilities/Activities (KSA) Clinical Activity Score (CAS) across multiple MCP models and sites. For costs, we account for three categories of costs: direct labor costs of the military medics embedding in civilian facilities, indirect costs attributable to lost productivity or replacement costs, and direct program costs borne by the DOD. We also develop a cost-effectiveness metric that allows us to compare the efficiency of these MCP models systematically. We find variations in the cost per KSA depending on the MCP model – we further investigate drivers of both cost and readiness generation.