When asked about the pace of Chinese undersea military construction and modernization, the Navy's Director of Undersea Warfare said the Navy is focused on sustaining the research and development, or R&D, sufficient to ensure the U.S. retains its technological superiority.
Some of the efforts are yielding near-term results in the form of the USS South Dakota, a prototype Virginia-class attack submarine engineered with a series of high-tech adjustments, Rear Adm. Joseph Tofalo told Military.com.