Pentagon officials on Tuesday described airstrikes in Syria against the Islamic State in Iraq and Syria (ISIS) as successful, but cautioned that they were just the beginning phase of a campaign that could last years.

“Last night’s strikes are the beginning of a credible and sustainable persistent campaign to degrade and ultimately destroy” ISIS, Army Lt. Gen. Bill Mayville told reporters.

“I would think of it in terms of years,” he added about the length of the expected campaign against ISIS.

Mayville, who is the director of operations for the Joint Chiefs of Staff, cautioned that ISIS fighters would adapt to the strikes, and attempt to melt into urban areas where the strikes could become less effective without ground troops. [Read more] – Michael’s Blog