Ernst, an Iowa Republican, is one of the most influential voices in Congress on military topics. Ethics and military experts say her relationships with top Air Force and Navy officials created potential conflicts of interest.

A recent investigation by ProPublica has brought to light revelations about Sen. Joni Ernst’s connections with high-ranking military officials, including Maj. G

Ethics and military experts say her relationships with top Air Force and Navy officials created potential conflicts of interest.

Republican Sen. Joni Ernst, a key figure in military oversight, has been thrust into controversy after reports surfaced alleging her involvement with not one but two military officials—one of whom was a disgraced Air Force general demoted for inappropriate relationships on Capitol Hill.

One of the most influential voices in Congress on military topics has potential conflicts of interest, experts say.