The Russian Air Force is expected to resume their large-scale aerial campaign over Syria on May 25th, despite the U.S.’ refusal to conduct joint airstrikes.

As they prepare for these airstrikes, the Russian Air Force has already begun reconnaissance flights over several jihadist-controlled territories in rural Latakia, Idlib, Aleppo, and Hama.

Sources close to Al-Masdar News in Jableh reported on Sunday morning that the air traffic at the nearby Hmaymim Military Airbase has exponentially increased, as a large number of the planes take off throughout the day.

Russia took a long hiatus from their Syrian air campaign after they agreed to scale back in favor of an open-ended ceasefire between the rebel and government forces.

However, this open-ended ceasefire has fallen apart; and as a result, clashes have once again been restarted at several volatile fronts, including Aleppo City and the East Ghouta.