Announcements & other updates
India begins second phase of indigenous submarine propulsion system testing
The Ministry of Defence announced on 24 October 2026 the start of the 'Setting to Work Phase (STW)-2' for an indigenously developed Air Independent Propulsion (AIP) system Energy Module. This system, developed by the Naval Materials Research Laboratory (DRDO), is designed to increase the underwater endurance of diesel-electric submarines by reducing their need for atmospheric oxygen.
Source details
- Issued by
- Ministry of Defence
- Published on
- Press Information Bureau, pib.gov.in (Press releases)
- File hosted on
- www.pib.gov.in, the government's file server for pib.gov.in
- Dated
- 24 October 2026
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