A ProPublica investigation has thrust Senator Susan Collins into controversy just six weeks before the 2026 midterm elections, threatening her decades-long political standing in Maine.

The report alleges Collins was linked to a pay-for-play scheme involving a Hawaii-based defense contractor that donated nearly $1 million to dozens of lawmakers in exchange for federal contracts.

The defense firm at the center of the allegations is Navatek, whose former CEO Martin Kao is identified in the ProPublica investigation as a key figure in the alleged scheme.

According to the report, a Republican consultant asked Navatek and Kao for large donations to Collins’s campaign in exchange for steering millions of dollars in federal contracts toward the company.

ProPublica alleged that Collins’s office helped direct government contracts worth millions of dollars to Navatek while her campaign was simultaneously soliciting donations from Kao and his network of associates.

Of all the politicians Navatek is alleged to have cultivated, the report identifies Collins as the company’s most important political patron in Washington.

The investigation further alleged that in 2024, the FBI sought to launch a formal inquiry into Collins and the donor, but the probe was shut down after President Trump returned to office and made sweeping cuts to the bureau.

Collins has rejected the allegations in forceful terms, calling the ProPublica report “clearly a political hit job,” while her campaign manager Steve Abbott described the claims as false and outrageous.

The controversy has landed at a particularly sensitive moment, with Collins locked in a heated reelection battle against Democratic challenger Troy Jackson in what has become one of the most closely watched Senate races of the 2026 cycle.

The outcome of the Maine Senate race carries significant weight beyond the state’s borders, as control of the Senate in 2027 may hinge on whether Collins retains her seat or Jackson flips it for the Democrats.

Bath Iron Works, the sprawling shipyard in Bath, Maine, that has served as the symbolic backdrop for Collins’s political career for two decades, now finds itself at the center of a story about federal contracts and political influence.

Voters in communities like Bath, where federal defense spending has a direct and visible impact on local livelihoods, are now weighing the allegations against Collins’s long record of delivering for the state.