Army Logistics Support Activity (LOGSA) Cost Analysis Strategy Assessment (CASA) model, a Life Cycle Cost (LCC)/Total Ownership Cost (TOC) decision support tool. CASA can present the total cost of ownership depending on user selections: including cost of RDT&E, acquisition/production, operating/support, and disposal. CASA covers the entire life of the system, from its initial research costs to those associated with yearly maintenance, as well as spares, training costs, and other expenses.