Former Prince George’s County Council chair Ingrid Turner (D-Bowie) is expected to declare her bid Tuesday to fill the congressional seat that will be left vacant by Rep. Donna F. Edwards (D-Md.), who is running for the Senate, according to friends close to Turner.

Turner retired from the U.S. Navy, where she was an officer in the Justice Advocate General’s Corps for two decades, to run for an open County Council seat in 2006. The Bowie native was reelected four years later to continue representing Prince George’s largest municipalities and served as council chair in 2011.

Her announcement will come on the same day as the expected congressional campaign launch of Del. Joseline Peña-Melnyk (D-Prince George’s). Maryland Democrats say the contest will bring out a host of hopefuls from county and state government.

The state’s 4th Congressional District does not include Turner’s home town of Bowie, where she has lived for years while stationed at duty stations in the region.

But the U.S. Naval Academy graduate — who retired at the rank of commander — also owns a home in Oxon Hill that sits squarely in the district. This will be Turner’s first run for federal office after completing her two terms on the county council last year.

Turner and Peña-Melnyk will face off against former Prince George’s state’s attorney Glenn Ivey and former lieutenant governor Anthony G. Brown for the Democratic Party nomination.