Diesel-electric submarines have diesel engines as well as electric motors. The diesel engines only work while the sub is on ...

Here’s What You Need to Remember: One of the most crucial improvements in submarines of the postwar era is the air-independent propulsion (AIP) system. First fielded in the 1990s, the development of ...

What You Need to Know: Sweden’s Gotland-class submarines have proven indispensable in safeguarding Baltic waters, particularly against Russian incursions. Built in the 1990s and equipped with advanced ...

Submarines began navigating the depths before the 1900s, and they've advanced considerably in all that time. Modern military subs are stealthy, nearly silent killers roaming below the waves, and the U ...

The Australian government will make an initial investment of $12 billion Australian dollars – or $7.99 billion U.S. dollars – ...