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The United States has taken the unexpected step of pausing a joint defence advisory body with Canada, citing perceived shortcomings in Ottawa’s military commitments. This announcement, made by Elbridge Colby, the U.S. Under Secretary of Defence for Policy, comes on the heels of rising tensions between the two nations, particularly following Prime Minister Mark Carney’s controversial remarks at the World Economic Forum earlier this year, which were interpreted as a critique of U.S. leadership.
U.S. Accusations of Inaction
In a series of posts on social media, Colby expressed frustration with Canada’s progress on its defence obligations. He remarked, “Unfortunately, Canada has failed to make credible progress on its defence commitments,” adding that the Department of War, a term used during the Trump administration to refer to the Pentagon, is reassessing the effectiveness of the Permanent Joint Board on Defence. This body, which has been in operation since 1940, is tasked with addressing key strategic matters concerning North American defence but has been viewed by some experts as having diminished influence in recent years.
Colby’s remarks also referenced Carney’s January address in Davos, where the Prime Minister called for collective action among middle powers against aggressive economic practices. This speech has not only raised eyebrows in diplomatic circles but has seemingly contributed to the current strain in U.S.-Canada relations. Colby stressed the need for Canada to prioritise “hard power over rhetoric” and suggested that increased military spending was necessary to align with NATO commitments.
Canada’s Response to U.S. Criticism
Defence Minister David McGuinty responded firmly to the U.S. criticisms, highlighting that Canada is currently undertaking the most significant investments in defence and security in decades. He stated that the government is on track to meet a goal of allocating five per cent of GDP to defence by 2035, a target set in response to pressures from NATO allies, including the U.S. McGuinty pointed to key initiatives, including a partnership with Australia to enhance the Arctic Over-the-Horizon Radar system and the procurement of 12 under-ice submarines and 88 fighter jets as evidence of Canada’s commitment to bolstering its military capabilities.
Despite these efforts, the status of the planned acquisition of 88 F-35 fighter jets from Lockheed Martin remains uncertain, reflecting the complexities of the ongoing defence dialogue between the two nations. Following a summit involving U.S. President Donald Trump and Chinese President Xi Jinping, where the latter warned of potential conflicts over Taiwan, the timing of Colby’s announcement has raised questions about its strategic implications.
The Broader Context of Defence Spending
Since taking office, Prime Minister Carney has significantly increased military spending, finally fulfilling a long-standing commitment to allocate at least two per cent of Canada’s GDP to defence. This promise, initially made in 2014, was a direct response to repeated calls from Trump during his presidency. Former Prime Minister Justin Trudeau had previously set a target year of 2032 to meet this benchmark, but Carney’s administration has accelerated this timeline.
Experts suggest that the U.S. decision to suspend the joint defence board may be more symbolic than substantial, serving as a tool to nudge Canada towards purchasing more military hardware from the U.S. Imran Bayoumi, a defence strategy expert, noted that this move may be intended to provoke a reaction from Canada regarding its military procurement decisions.
Historical Context and Future Implications
The current state of U.S.-Canada defence relations reflects a larger trend in the bilateral relationship under the Trump administration, characterised by a more coercive approach towards allies. Former Conservative leader Erin O’Toole remarked on the notable shift in Canada’s military focus since Carney assumed office, indicating that the U.S. has registered a more robust Canadian military posture, particularly concerning Arctic defence.

Critics of the U.S. move have suggested that the suspension of the board might be part of a public negotiation strategy concerning the F-35 procurement, an issue that has been under review since last year amid rising tariffs and geopolitical tensions.
While some analysts, such as Colin Robertson, a former diplomat, caution that the current tensions may stem from general U.S. annoyance rather than a specific incident, the implications for Canada’s defence strategy and its relationship with the U.S. are significant.
Why it Matters
The recent developments signal a critical juncture in Canada-U.S. defence relations, with the potential for long-term ramifications on military cooperation and procurement strategies. As both nations navigate heightened geopolitical pressures, particularly from China, Canada’s ability to meet its defence commitments will be closely scrutinised. The U.S. actions may not only influence Canada’s military spending but could also redefine how both countries collaborate on shared security challenges in an increasingly complex global landscape. The outcome will have significant implications for North American security and the broader international order.