USD is an industry leader in developing, applying, and advancing the state-of-the-art signal processing technologies for Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) systems including distributed netted sensor systems, communications systems, positioning systems, tactical decision systems, and autonomous unmanned platforms. The scope of the business activities within this portfolio includes: underwater vehicle systems, maritime sensors, supporting information technology & engineering services for complex maritime applications, development and support of underwater data acquisition and telemetrysystems for distributed sensors for platform signature measurement.