Interesting Engineering on MSN

2,400-ton powerful submarine with air-independent propulsion set to boost US ally’s naval power

A Kiel-based company has successfully delivered a powerful submarine with air-independent propulsion to the ...
Hosted on MSN

Diesel subs run underwater without air: Here’s the wild trick

Modern diesel submarines seem to break a basic rule of engines: they keep moving underwater even though diesel power needs oxygen. The trick is that these boats are really two propulsion systems in ...
India

India on alert! Pakistan’s four AIP submarines raise concerns for Modi government, threat spreads from Arabian Sea to Indian Ocean

https://www.india.com/news/world/pakistan-india-asim-munir-shehbaz-sharif-narendra-modi-air-independent-propulsion-aip-systems-indian-navy-pakistani-army-ajit-doval ...
Maritime Executive

Compressed Air Over Water for Short Distance Propulsion

During the early to mid 1900s, manufacturers of steam locomotives also built compressed air powered locomotives for the mining sector. While battery electric propulsion has replaced compressed air ...