Pentagon says US will continue to hit IS as long as they “pose a threat“ Reuters Wednesday, September 03, 2014 08:54 Email Print RELATED NEWS Islamic State issues video of beheading of U.S. hostage U.N. accuses Islamic State of mass killings Pentagon Spokesman Rear Admiral John Kirby says that as long as Islamic State militants pose threat to Mosul Dam, "we're gonna hit 'em." More : Pentagon Spokesman Rear Admiral John Kirby Islamic State militants Mosul Dam