National Security Journal on MSN

U.S. Navy Nuclear Attack Submarine ‘Slammed’ Into Underwater Mountain At High Speed

In January 2005, the Los Angeles-class attack submarine USS San Francisco (SSN-711) slammed—at flank speed—into an uncharted seamount southeast of Guam. -One sailor died and dozens were injured, yet ...

NOAA is charting Cape Cod Bay seafloor. Some of it for first time in nearly a century.

NOAA is mapping Bay seafloor for the first time in decades, using sonar to chart hazards and update nautical charts for safe navigation.
Not What You Think Official on MSN

The US Navy Ship That Sailed 1,800 Miles Without GPS

In 2022, the crew of USS Essex turned off all their navigation electronics and crossed the Pacific the old-fashioned way—using charts, sextants, and raw skill. It was a proof-of-concept for a future ...

My voyage to explore how Pacific island sailors find their way at sea without technology

One of the biggest navigation challenges is knowing where you are in the open ocean without tools or devices. This remarkable skill is exemplified by the ancient techniques once used by expert ...