US Navy Begins Design Evaluation for New Sub-Tracking Ships

A U.S. shipyard is proceeding with initial studies and design evaluation for a new generation of advanced ocean surveillance vessels for detecting and tracking submarines, with the first ship to be delivered in 2025. The yard also built the U.S. Navy’s last ocean surveillance ship, the USNS Impeccable, which was threatened and harassed by Chinese planes, ships, and paramilitary militia vessels in a high-profile South China Sea incident 2009.