“As a result of the deteriorating security situation, the Department of State ordered the departure of family members of U.S. government personnel and authorized the voluntary departure of non-emergency U.S. government personnel from the embassy on September 28 [2016].  Most official U.S. government travel to the DRC has been temporarily halted.”

https://travel.state.gov/content/passports/en/alertswarnings/democratic-republic-of-the-congo-travel-warning.html