National Security Journal on MSN

Russia and Iran Built 200 Knot ‘Supercavitation Torpedoes’ the U.S. Navy Can’t Match

Key Points and Summary – The Soviet-era VA-111 Shkval was a “near-unstoppable” torpedo that used supercavitation to “fly” ...
BGR

Why Do Ships Measure Speed In Knots Instead Of Miles Per Hour?

When you're driving on land, speed is measured in either miles per hour (mph) or kilometers per hour (km/h). These measurements are straightforward because you can see stationary landmarks and ...