US commanders have continued to boost the military strength of their potential attack force in the Middle East amid intense fears war with Iran could break out. As well as a carrier strike force and six destroyers, squadrons of F15 fighter jets and electronic jamming planes , another aircraft carrier may be deployed, according to sources. The latest of several communications planes have also arrived in the Middle East to help plan a war on Iran if peace talks on Friday in Oman fail. A third US