For the first time in nearly 20 years, Montana will have two House seats, after one was added to accommodate the state’s growing population.

Ryan Zinke, former Interior Secretary to former President Donald Trump, is seeking the GOP nomination in a newly created House district in Montana. Although the seat is technically open, the former Navy SEAL is widely considered the de facto incumbent, as he twice won elections for the state’s other seat before stepping down in 2017 to join the administration. Trump.

LOOK: How controversial new election laws impact the 2022 election

His opponents point to Zinke’s troubled tenure at the agency, which has been marred by multiple ethics investigations. An investigation determined that Zinke lied to an agency ethics officer about his ongoing involvement in a commercial real estate transaction in his hometown. He has faced a smear campaign over his military service from his party’s far-right and questions about his residency following revelations that his wife declared a home in California as her primary residence.

His opponents in the GOP primary include former state senator Al “Doc” Olszewski, an orthopedic surgeon and hardline conservative who has tried to portray Zinke as a “liberal insider.”

Three Democrats are vying for their party’s nomination: public health attorney Cora Neumann, Olympic rower and attorney Monica Tranel and former state Rep. Tom Winter.

In the state’s other district, first-term Rep. Matt Rosendale, who has Trump’s endorsement, will seek to fend off three main Republican challengers

Associated Press writer Matthew Brown in Billings, Montana. contributed to this report.