U.S. Army Combat Capabilities Development Command (CCDC) Ground Vehicle Systems Center (GVSC) requires five GT-Suite subscriptions for maintenance to software being used for in-house propulsion modeling and one real-time GT-Power subscription for maintenance to the software being use for the Ground System Integration-Systems Engineering-Analytics Vehicle Performance Analysis Team.  The software supports the overall goal of providing the Ground Vehicle System Center with Propulsion System Modeling, Simulation, and Analysis capabilities.