“It’s a money bomb,” said Jim Lottsfeldt, a veteran operative in the state.

Alaska offers Democrats another path to cobbling together the three seats they need to flip control of the Senate if Joe Biden wins the presidential race. And along with races in Kansas, Montana and South Carolina, the Alaska foray represents a major offensive into traditionally red states that are more competitive because of President Donald Trump’s sinking poll numbers.

The new super PAC, North Star, formed earlier this week, according to its Federal Election Commission filing, and went up on air Thursday with its first ad, which hits Sullivan on health care. The amount made it the largest spender on television in the race, though other outside groups have been there earlier.

“I think people were initially skeptical. It’s why we were kind of alone out there in investing in Alaska early on,” said Shaughnessy Naughton,