A Military.com investigation found that Lt. Col. Michael Kelvington was fired from his role in April and formally replaced June 7 amid allegations of sexual misconduct.
The service announced Friday that it relieved Cmdr. David Ruhlig on June 3 "due to a loss of confidence in his ability to fulfill the expectations of his position."
For the second year in a row, the House approved its version of the National Defense Authorization Act, or NDAA, mostly along party lines after conservative lawmakers used the bill to target their frequent foils.
The U.S. military launched the disinformation campaign following a decision by then-Defense Secretary Mark Esper to loosen restrictions on such operations, and used phony online accounts posing as Filipinos in an effort "to discredit China's Sinovac inoculation.