EventIn June 2026 Canada and Australia entered a government‑to‑government agreement worth C$2.5 billion to transfer Australian Over‑the‑Horizon Radar (OTHR) technology for long‑range Arctic surveillance. The deal extends the use of Australia’s 1974‑developed system to Canada’s Arctic defence network.
Scientists say advanced high‑frequency radar could give navies near real‑time surveillance of the rapidly changing Arctic, potentially improving ship tracking, currents mapping, sea‑ice monitoring, and communications.
In June, Canada signed a C$2.5 billion government‑to‑government agreement to acquire Australian Over‑the‑Horizon Radar technology for long‑range Arctic surveillance, a partnership that underscores the shared logistical hurdles confronting both nations' remote northern defence operations.
