Previously involved in SBIR many years ago, with international staff of researchers and associates having expertise in ocean acoustics, signal processing, autonomous systems and applied mathematics, VASA Associates Inc. is organized around all aspects of simulation of distributed underwater acoustic systems. The firm's principals partner on underwater surveillance system design and engineering. Modeling and simulation as an integral part of system design and development. Unique physics based acoustic simulation framework (SEALAB). Advanced, recognized expertise in acoustic modeling, sonar processing, field experiments, complex system design and development. VASA Associates Inc. provides acoustic propagation and scattering expertise to clients large and small offering its expertise, capabilities and assets for partnerships designing and developing advanced platform-centric or distributed underwater surveillance systems. VASA performs feasibility studies, conceptual system design, research and development. VASA advises and participates in all stages of the system design, development and testing with decisive advantage in mitigating the risks and lead to significant cost savings.