Four Killed in Helicopter Crash During Training Mission at Fort Hood

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A UH-60A Black Hawk helicopter from the 1st Air Cavalry Brigade, 1st Cavalry Division, prepares for landing during a late afternoon training flight at Robert Gray Army Air Field, in Fort Hood, on December 10, 2011. On November 24, a UH-60 Black Hawk (not pictured) crashed at Fort Hood air base, killing four. Staff Sgt. Joe Armas/Department of Defense

Four members of the military are dead after a UH-60 helicopter crashed during a training mission at Fort Hood on Monday evening just before 6 p.m., the Fort Hood Press Center announed in a statement on Tuesday. 

The deceased were not identified, pending notification of next of kin. Those killed were assigned to Division West, First Army. 

The training mission was described as "routine" and an investigation into the cause of the crash will be conducted. 

A 340-square-mile military base in Texas, Fort Hood trains and houses thousands of active duty armed forces.