The U.S. military shut down a troll operation orchestrated by the Kremlin-supported Internet Research Agency's networks during the 2018 midterms in an effort to curb election interference, according to officials interviewed by the Washington Post.

The big picture: The Internet Research Agency was one of three entities indicted by Robert Mueller for conspiring to interfere in the 2016 election. This action, described as a success by Pentagon officials, is the first of its kind by U.S. Cyber Command, which was granted more authority by the Trump administration last year. The U.S. blocked networks in order to prevent potential disinformation campaigns and election interference.

Go deeper: Senate-commissioned reports show scale of Russian misinformation campaign