A new report and a historic diplomatic visit have sharpened scrutiny of the growing U.S. military presence in Palau, highlighting environmental breaches, legal challenges and rising public unease over the island nation’s shifting strategic role in the Pacific.
The Guam-based Pacific Centre for Island Security (PCIS) released its Micronesia Security Outlook 2025 this month, saying the “guardrails” intended to protect Palau’s environment and sovereignty under the U.S.–Palau Compact of Free Association have been weakened by an accelerated military build-up. The report’s Palau chapter, written by Jodean Remengesau, director of the Bureau of Agriculture in Palau’s Ministry of Agriculture, Fisheries and the Environment, catalogues specific instances where the U.S. military and contractors allegedly failed to meet Palauan legal and environmental obligations.
Remengesau told the report’s authors that the Compact grants the U.S. exclusive use of Palauan land, waters and airspace for defence purposes but also requires adherence to environmental standards. “The U.S. military had missed and fell short of fulfilling its duties and responsibilities under the compact,” he wrote, pointing to one high-profile incident on the island of Angaur. According to the report, land was cleared for a tactical mobile over-the-horizon radar site without an environmental earthmoving permit or required community consultations. Shredded tree debris was reportedly left in piles that invited infestations of invasive coconut rhinoceros beetles and was subsequently dumped in residents’ yards in a rushed response.
That episode prompted legal action: in 2023 Angaur Governor Steven Salii sued Palau’s central government, the Palau Environmental Quality Protection Board, the U.S. government and military contractors, alleging violations of Palauan environmental laws and Compact agreements. The lawsuit alleges the clearing of 271,807 square metres of land without conducting an environmental impact assessment or obtaining permits beforehand.
The PCIS report concedes that Palau’s geopolitical position, shaped by mounting U.S.–China strategic competition, makes the nation a focal point for international security objectives. It notes that under the renegotiated Compact the United States pledged an US$890 million package to Palau over 20 years, a funding cycle that began on October 1, 2023. With a significant share of Palau’s budget sourced from Compact funds and other foreign aid, the report warns the country may find itself increasingly drawn into U.S. defence plans, potentially at the expense of local oversight and traditional notions of sovereignty.
Military infrastructure already under construction is part of that concern. The U.S. Department of Defense has committed to a US$118 million radar project in Palau; PCIS cites U.S. government timelines indicating the system is expected to be operational in 2026. The report also alleges that an installation initially presented to Palauan authorities and the public as a single, jointly used shoreline radar tower later comprised separate facilities — a shift that, the authors say, undercut transparency.
The developments come as Palau’s president, Surangel Whipps Jr., made a historic first State visit to New Zealand this month, underscoring how Palau is balancing international partnerships even as domestic debates intensify over environmental protection and the costs of strategic alignment. The PCIS findings add new momentum to calls from Palauan civil society and some state leaders for stronger enforcement of environmental laws, greater consultation, and clearer limits on foreign military activity.
PCIS says the concerns it documents are not merely technical but bear on Palau’s long-term governance and social compact. The report urges both Palauan authorities and external partners to restore meaningful oversight mechanisms so that defence cooperation does not eclipse obligations to protect the islands’ environment and communities.
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