<h1>Legal challenges to trilateral submarine and advanced technology pact over proliferation, export controls, basing duties, and supply-chain diversion</h1> A trilateral security pact renewing cooperation on nuclear-powered submarines and advanced military technologies has prompted a neighboring state to assert legal objections, contending the arrangement risks nuclear proliferation, heightens an arms race and constitutes bloc confrontation. The pact contemplates technology transfers, basing and maintenance infrastructure in a third state and complementary mineral supply agreements to reduce dependence on a dominant supplier. Legal issues implicated include compliance with non-proliferation obligations, export-control and technology-transfer rules, basing and host-nation responsibilities, and potential regional security and trade disputes arising from supply-chain diversification measures.