"The important thing is for us to stay out ahead of what we think the North Korean threat is, especially from their missile program," he said. "They've been testing more missiles, and they've been growing their capabilities and we have to stay out ahead."
Rockets on standby for U.S. mainland, N. Korea says
Targets include U.S. mainland
Published On: Mar 28 2013 05:34:50 PM CDT Updated On: Mar 29 2013 04:55:03 AM CDT