As the US, UK and Australia continue to pursue pillar 1 submarine capabilities, pillar 2's focus on emerging and disruptive secondary capabilities is gaining attention. In recent months more potential partners for the pillar 2 capability developments have been touted, with little known beyond rumours. Pillar 2's focuses will be based around the development of Electronic Warfare (EW) capabilities, Autonomy, Hypersonics and Space Sensing.
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