Japan considers support for Trump's Golden Dome project as tariffs weigh heavily on nation

Following two phone calls between U.S. President Trump and Japanese Prime Minister Shigeru Ishiba, Nikkei Asia has reported that Japan is “exploring support” for the United States’ proposed “Golden Dome” project in the coming years. This potential cooperation comes in light of the global tariffs imposed by President Trump as well as a mutual ongoing commitment to promote a U.S.-Japan “golden age,” according to a White House press briefing.

The White House briefing reported that Japan and the U.S. have been in talks since February in an effort to reaffirm “bilateral security and defense” commitments between the two countries. At the end of last month, Trump and Ishiba discussed their views on the tariffs, “economic security cooperation,” and “diplomatic and security challenges,” per a report from Japan's Ministry of Foreign Affairs.

Some, including the original Nikkei report, have speculated that Japan may use its involvement in the project as a “bargaining chip” in economic negotiations. Prime Minister Ishiba has since noted in a press conference that Japan has “consistently advocated for an ‘investment rather than tariffs’” approach in cooperation.

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Photo by Chip Somodevilla/Getty Images

The Golden Dome, modeled after Israel’s Iron Dome missile defense system, is set to cost an estimated $175 billion, with some long-term estimates, according to the Congressional Budget Office, reaching as high as $831 billion.

Trump has tapped U.S. Space Force General Michael Guetlein to oversee this project, which he hopes to complete by the end of his term in 2029. The state-of-the-art Golden Dome will be a “network of satellites, sensors, and interceptors to prevent aerial attacks on the U.S. mainland,” Time magazine reports. Proponents have insisted that the system is intended only as a deterrent.

Critics have expressed concerns that this project may push adversaries and even aligned nations into what Carnegie Politika called a “new arms race” against the U.S. in the space and defense industries. The building of the Golden Dome system may be taken as a threat by nations like China, Russia, and North Korea. Japan’s involvement in the project may raise concerns in the region.

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