Sen. Rob Portman is set to release his first radio at on Wednesday, focusing on former Gov. Ted Strickland and his treatment of the coal industry in his home territory of Southeast Ohio.

In the ad, Portman touts his winning of the the United Mine Workers of America endorsement and his backing of Southeastern Ohio, where Strickland campaigned for two days. Strickland represented Southeast Ohio during his 12-year tenure in Congress and was backed by the union group during his gubernatorial campaigns.