A group of President Donald Trump‘s conservative critics are coming together to prevent his reelection in 2020 with the announcement of their new PAC.

The group, the Lincoln Project, says it “is holding accountable those who would violate their oaths to the Constitution and would put others before Americans.” Ultimately, their mission is to ‘defeat President Trump and Trumpism.’

“We do not undertake this task lightly nor from ideological preference. Our many policy differences with national Democrats remain. However, the priority for all patriotic Americans must be a shared fidelity to the Constitution and a commitment to defeat those candidates who have abandoned their constitutional oaths, regardless of party. Electing Democrats who support the Constitution over Republicans who do not is a worthy effort,” the group states on their website.

Among the list of the group’s advisors is George Conway, an outspoken never-Trumper, lawyer, and husband of the President’s Counselor Kellyanne Conway. Conway, along with several other McCain, Bush-era conservative advisors Steve Schmidt, John Weaver, and Rick Wilson penned an op-ed in the New York Times announcing the group’s rollout and presenting the case for ousting Trump.

“This effort transcends partisanship and is dedicated to nothing less than preservation of the principles that so many have fought for, on battlefields far from home and within their own communities,” the group wrote.