Improvements came fast in the first few decades following the introduction of the technology, from the Wright Flyer to the Sopwith Camel, to the Submarine Spitfire, to the F-86 Sabre, to the F-4 ...

In January 2022, something even rarer than a Spitfire or T-54 came up for sale: a Foxtrot-class submarine that had been in service with the Soviet and later Russian Navy. According to MySubmarines ...