Explosives unit headed back into Iraqi fray By ERICA WALSH About 20 Fort Knox soldiers are on their way to Iraq, some for a second time in two years. The 703rd Explosive Ordnance Disposal Detachment from Fort Knox left for Iraq on Saturday morning, family members said. This is the second deployment for the Fort Knox detachment, which spent September 2003 to March 2004 in Iraq. The unit is responsible for finding, recovering and disposing of explosive devices. About half of the group that left for Iraq Saturday also deployed to the country during the unit's first trip. The soldiers...