Collins Class submarines to receive sonar upgrades

December 29, 2020 – Navy’s Collins Class submarines will undergo significant upgrades to its sonar systems here in Australia through a multi-million dollar contract with Thales Australia. The two contracts, worth around $23.7 million, are for the design and implementation of the Mine and Obstacle Avoidance System and the High Frequency Intercept Array for the submarine fleet. The upgrades will…

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