US naval forced in the Mediterranean now have at least 120 Tomahawk missiles, according to observers. After more missiles were transferred, about 350 Tomahawk missiles could be found close to Syria, according to news sites.

Russian Defense Ministry spokesman, Igor Konashnikov, said on September 3 that Russian military personnel had spotted the US mobilization of cruise missiles in the Middle East.

Russia has warned the United States against launching an aggression "illegal and not based on any basis" against Syria, noting that this work will not only benefit the terrorist groups.