Democrat Francis Conole on Monday announced his campaign for the 24th congressional district in central New York.

Conole is running for a Syracuse-area district has been a battleground over the years and swung between Democratic and Republican control.

Rep. John Katko, a Republican, has held the seat since 2015.

“I’ve dedicated my life to fighting for and serving our country in the Navy—now I’m dedicating myself to an urgent mission here at home: rebuilding Central New York’s middle class,” Conole said in a statement.

“It’s time for new leaders in Washington who will put forward serious solutions and deliver real results to the biggest challenges like making health care more affordable, preparing Central New Yorkers for the economy of the 21st Century, supporting tax breaks for the middle class, not special interests, and ensuring families aren’t crippled by student debt—that’s why I’m running for Congress. Our mission starts today and I know we can do it together.”

Conole is a veteran of the Iraq War and a graduate of the Naval Academy. He serves a commander in the Navy Reserves.

Conole served as a senior Navy intelligence analyst and as a Middle East policy advisor to the secretary of defense.