The U.S. Navy has been investing billions of dollars to revamp its Cold War-time submarine detection system in the Pacific Ocean as China enhances its navy and seems more belligerent.
The Integrated Undersea Surveillance System of the U.S. was first developed in the 1950s as a highly confidential program aimed at countering Russian naval capabilities during the Cold War. However, now the fleet of surveillance vessels and the maze of undersea sensor cables are modernized, three individuals with...