The rescue comes as a prelude to the upcoming bilateral meeting to review the status of the counterinsurgency (COIN) campaign.
The Allied Democratic Forces (ADF) terrorist group struck another attack in Congo
They arrested two people in connection with the kidnappings.
Pope Francis held a moment of silence Saturday for priests and religious who have been killed in South Sudan.
A young postulant was injured and transferred to the hospital.
Reportedly, the relationship between the Catholic Church and Congolese government has been tense for many years.
For years, dozens of armed militias have wreaked havoc in the DRC, a predominately Christian nation.
Islamic State has claimed responsibility for the Christmas Day suicide bombing that killed at least five people in the DRC.