The U.S. dropped almost as many bombs and missiles on Islamic State positions in Syria over the past two days as were used in the first month of attacks on the extremist group in Iraq.

The offensive two nights ago, joined by five Arab nations, used about 200 munitions, most precision-guided, as well as some of 47 Tomahawk cruise missiles that were launched from two warships, according to U.S. Central Command. At least three more strikes hit Islamic State targets in Syria yesterday and early today, according to the Defense Department.

Later today, U.S. and allied forces hit Islamic State oil facilities in eastern Syria in an effort to reduce the group’s revenue, according to a U.S. defense official who discussed the attacks on condition of anonymity. […]