LONDON (Sputnik) – He added that the current cooperation agreements in place between the two countries required six months of negotiations.
"No, we are not talking about that yet," Syromolotov told RIA Novosti in answer to a question about possible joint US-Russian operations in Syria.
On May 4, Russian Defense Ministry spokesman Maj. Gen. Igor Konashenkov said that Russia and the United States had reached a "complete understanding" about military flights over Syria.
In October 2015, Russian and US officials signed the bilateral Memorandum of Understanding (MoU) on flight safety during combat missions over Syria and since that the sides have been carrying out regular consultations under this agreement.