From a long-life seawater battery system for sustained underwater sensing and surveillance applications to a waterjet propulsion system for fast interceptor craft, the DRDO has handed over seven technologies to the armed forces, the government said.

These technologies have been developed under the Technology Development Fund (TDF) scheme, the defence ministry said Friday.

“Defence Research and Development Organisation (DRDO) has handed over seven technologies developed under the Technology Development Fund (TDF) scheme to the three Services,” it said in a statement.

“The technologies are — an indigenous high-voltage power supply for airborne self-protection jammers, a tide-efficient gangway for naval jetties, advanced very low frequency-high frequency switching matrix systems, VLF loop

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