CANBERRA, AUSTRALIA - MARCH 05: Canadian Prime Minister Mark Carney joins Australian Chief of Air Force Stephen Chappell during a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Craig Hardie (R) speaks wth Canadian Prime Minister Mark Carney as Australian Minister for Defence Richard Marles (L) and Canadian Minister of National Defence David McGuinty look on during a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Canadian Prime Minister Mark Carney arrives at a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Canadian Prime Minister Mark Carney (L) and Australian Minister for Defence Richard Marles attend a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Dr. Roland Keir (R) speaks wth Canadian Prime Minister Mark Carney during a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Dr. Roland Keir (R) speaks with Canadian Prime Minister Mark Carney during a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Craig Hardie (R) speaks wth Canadian Prime Minister Mark Carney during a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)

CANBERRA, AUSTRALIA - MARCH 05: Australian Chief of Air Force Stephen Chappell (L) introduces Canadian Prime Minister Mark Carney to Australian Minister for Defence Richard Marles (R) during a Defence Science and Technology showcase at RAAF Defence Establishment Fairbairn on March 05, 2026 in Canberra, Australia. Carney is in Australia to discuss trade and other matters. (Photo by Hilary Wardhaugh/Getty Images)