The U.S. Navy and Air Force are scheduling as many as 100 attack, reconnaissance and support missions daily over Iraq, according to a U.S. military official.

The flights have averaged 90 a day since Aug. 9, including as many as 30 by Air Force refueling tankers, according to the official, who asked not to be identified discussing the data. The sorties are mostly, but not exclusively, over northern Iraq.

Since Aug. 8, U.S. aircraft have been attacking mortar positions, mobile artillery, convoy vehicles and armored personnel carriers under President Barack Obama’s authorization for airstrikes against the militant Islamic State to protect religious minorities and American personnel in Erbil, the seat of the Kurdistan Regional Government. […]