The concern for barry will be how this impacts his time at the golf course. ............................... ISIS activity prompts threat level increase at bases - CNNPolitics.com Washington (CNN)Security conditions at U.S. military bases were raised Thursday night, because of growing concern of a jihadist threat in the U.S. It comes hours after FBI Director James Comey raised the prospect there are thousands of ISISfollowers online in the U.S. "We have a general concern, obviously, that ISIL is focusing on the uniformed military and law enforcement," Comey told reporters Thursday. The order was signed by Admiral William Gortney, head of the command. "We have the same concern about the potential threat posed by violent homegrown extremists," said Captain Jeff Davis, spokesman for the U.S. Northern Command which oversees all U.S. military installations in the continental U.S.