Defense Advanced Research Projects AgencyTagged Content List

Fuel and Energy

Relating to power sources

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Unmanned underwater vehicles (UUVs) have inherent operational and tactical advantages such as stealth and surprise. UUV size, weight and volume are constrained by the handling, launch and recovery systems on their host platforms, however, and UUV range is limited by the amount of energy available for propulsion and the power required for a given underwater speed. Current state-of-the-art energy sources are limited by safety and certification requirements for host platforms.