The Aeronautics and Exploration Mission Modeling and Simulation (AEMMS) contract provides NASA with research and development support services including modeling, simulation, systems analysis, and application development in support of the Systems Analysis Office, Army Aviation Development Directorate, Applied Modeling and Simulation Branch, Fundamental Modeling and Simulation Branches of the NASA Advanced Support-computing Division, and NASA Aeromechanics Office. LST is a subcontractor to Science and Technology Corporation on this contract.