WATCH: US Senate candidates Mark Warner, Daniel Gade hold hour-long debate

Both men are running to fill Virginia’s U.S. Senate seat this November

Sen. Mark Warner and Republican challenger Daniel Gade held a debate on Tuesday.

Both men are running for Virginia’s Senate seat in the upcoming November election.

NBC News' Chuck Todd moderated the event.

Warner, a Democrat, was first elected to his Senate seat in 2008 and is now running for a third term.

Gade is a retired U.S. Army lieutenant colonel and professor, who during more than 20 years of military service was awarded the Legion of Merit, Bronze Star, and two Purple Hearts.

When Warner last ran for office, in 2014, he defeated Ed Gillespie by 0.8%, a difference of just 17,727 votes.

Below is a complete transcript of the debate: