BOISE, Idaho (AP) — The Defense Department says a 26-year-old Caldwell, Idaho, man was one of three soldiers from Fort Campbell, Ky., killed in action in Afghanistan. Staff Sgt. Octavio Herrera and the other two soldiers died Sunday of wounds suffered when enemy forces attacked their unit with indirect fire.

Also killed were Sgt. Jamar Hicks of Little Rock, Ark., and Spc. Keith Grace Jr. of Baytown, Texas. The military says Herrera and Grace died in Paktia Province, while Hicks was evacuated to Forward Operating Base Salerno in Khost, Afghanistan, and later died. The soldiers were assigned to the 4th Battalion, 320th Field Artillery Regiment, 4th Brigade Combat Team, 101st Airborne Division at Fort Campbell.