A dozen A-10 attack jets have been deployed to the Middle East in the fight against the Islamic State in Iraq and Syria, the Air Force announced this week. The deployment of 350 airmen and the 12 "Warthogs" come as Congress and the Pentagon battle over whether to retire the popular aircraft, which provides close air support for troops in combat. This is the second deployment of an A-10 unit in the fight against ISIS. Air Force leaders say the service can't afford to maintain the attack jet under defense budget constraints and that other aircraft can conduct the close...