U.S. National Guard may join cyber offence against Islamic State - Carter

By Andrea Shalal JOINT BASE LEWIS-MCCHORD, Washington (Reuters) - U.S. Defence Secretary Ash Carter said the National Guard's cyber squadrons will play an increasingly important role in assessing the vulnerabilities of U.S. industrial infrastructure and could be asked to join the fight against Islamic State. The National Guard - a reserve military force that resides in the states but can be mobilized for national needs - is a key part of the military's larger effort to set up over 120 cyber squa