<h1>National defence agency and defence ministry issue interoperable software-defined radio architecture standard to unify APIs, environments, and waveform portability</h1> A national defence research agency and the defence ministry issued a formal national software architecture standard for software-defined radios (SDR) to establish interoperability, standardised interfaces/APIs, execution environments, and waveform portability across the armed services. The specification, developed with joint service input after multi-year consultations, creates a baseline technical requirement likely to inform procurement, certification, and supplier compliance, and to shape intellectual property, export control and security assessment practices. The standard is presented as evolvable to accommodate future technologies, implying ongoing regulatory and contractual adaptation for vendors and defence stakeholders.