Mr. Greitens, a Rhodes scholar, a decorated member of the Navy SEALs who served tours in Afghanistan and Iraq, and a Bronze Star recipient, was seen as a rising star in the Republican Party.

But he lasted barely 17 months in office, before two felony charges involving allegations of sexual and political misconduct and a 24-page legislative committee report filled with graphic details of an extramarital affair brought the looming threat of impeachment in a state capital dominated by his fellow Republicans.

“It’s clear that for the forces that oppose us, there is no end in sight,” he said in his resignation speech. “I cannot allow those forces to continue to cause pain and difficulty to the people that I love. I know and people of good faith know that I am not perfect, but I have not broken any laws or committed any offense worthy of this treatment.”

Shortly after the speech, the other felony charge, for illegally obtaining a donor list from a charity he founded and using it to raise money for his 2016 campaign, was also dropped.

Where is he now? Mr. Greitens recently said that he planned to deploy with the Navy to the Middle East in the fall, The Kansas City Star reported.

Read our reporting from the time: How His Downfall Unfolded | Sex Claims Against Gov. Eric Greitens of Missouri Vividly Detailed in Report