Future Turkish STM-500 mini-submarines could be game-changer.

According to information published by Daily Sabah on January 25, 2022, the "game-changer" combat drones could have an equivalent with the Turkish mini-submarines STM-500.
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A model of the submarine TS1700 at STM booth (Picture source: Navy Recognition)

The STM-500 mini-submarines will be built by the Turkish firm STM and aim to its production activities by 2022. They will have a displacement of 550 tons, a length of 42 meters.

The mini-submarines will be deployed in a range of missions, including reconnaissance, surveillance, early warning, anti-submarine warfare.

STM (Savunma Teknolojileri Mühendislik ve Ticaret A.Ş.) is a company operating in Turkey, operating in the civil, public (including military), and private sectors.