According to a press release published by IAI on October 6, 2021, Estonian Centre for Defence Investment (ECDI) has signed a contract with Proteus Advanced Systems Pte. Ltd., a joint venture company of Israel Aerospace Industries Ltd. (IAI) and ST Engineering Land Systems Ltd. (ST), to equip the Estonian Defence Forces with Blue Spear (5G SSM) missile systems.
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| Artist rendering of the Blue Spear (5G SSM) land-to-sea missile system (Picture source: IAI) |