CEDAR RAPIDS, Iowa — Part of a logistical support unit based in Cedar Rapids will soon be heading to Afghanistan.About 40 members of the 649th Regional Support Group will deploy as part of Operation Enduring Freedom later this month, the 103rd Sustainment Command, which oversees the 649th group, said in a news release.Several other units from the 103rd are also part of the deployment, but the 649th is the only unit from Iowa, Maj.