Dozens of Chinese research vessels are on a quest to map the sea floor at strategically vital regions of the world's oceans.

Nuclear submarines are a key deterrent. Consequently, it is no surprise that major global powers continue to invest heavily in the expansion and modernization of their submarine fleets. According to ...

Military life is full of traditions and lore that have been passed down through generations of service members. Among the saltiest of Navy traditions is cribbage: the unofficial game of the U.S.

The United States has improved the readiness of its underwater forces amid China's fast-growing navy, with none of its nuclear-powered attack submarines idle awaiting maintenance for the first time in ...

The USS Iowa (SSN 797) was commissioned in a ceremony on Saturday at Naval Submarine Base New London in Groton, Conn. It is the Navy’s first submarine to be named after the state of Iowa. “This event ...

The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

While Pentagon and U.S. Navy officials have been sounding the alarm about a resurgent Russian Navy, the Defense Department’s concerns might be somewhat overblown. Though analysts vary in their ...