What You Need to Know: In October 2021, the USS Connecticut, a $3 billion Seawolf-class submarine, collided with an uncharted seamount in the Pacific Ocean. The incident, which injured eleven crew ...

On October 2021, the U.S. Navy's Seawolf-class submarine USS Connecticut collided with an underwater seamount in the South China Sea while traveling at high speed in poorly charted waters.

In 2005, the USS San Francisco, a U.S. Navy Los Angeles-class submarine, struck an uncharted seamount at 30 miles per hour, ...