FORT HOOD (USA), Aug 28: A military jury on Wednesday sentenced Maj Nidal Hasan to death for the 2009 shooting rampage at Fort Hood, delivering the only punishment the Army believed fit for an attack on fellow unarmed soldiers.

The sentence was one that Hasan also appeared to seek in a self-proclaimed effort to become a martyr.

Hasan could become the first US soldier executed in more than half a century. But because the military justice system requires a lengthy appeals process, years or even decades could pass before he is put to death.

The US-born Muslim has said he acted to protect Islamic insurgents abroad from American aggression, and he never denied being the gunman. He acknowledged to the jury that he pulled the trigger in a crowded waiting room where troops were getting final medical checkups before deploying to Iraq and Afghanistan.

Thireteen people were killed and more than 30 wounded. It was the worst ever attack on a US military base.

The same jurors who convicted Hasan last week needed to agree unanimously on a death sentence on Wednesday, though the 42-year-old faced a minimum sentence of life in prison.

The lead prosecutor assured jurors that Hasan would ‘’never be a martyr’’ despite his attempt to tie the attack to religion.

“He is a criminal. He is a cold-blooded murderer,” Col. Mike Mulligan said Wednesday in his final plea for a rare military death sentence.

Hasan made no statement on Wednesday before the sentence and had no visible reaction when it was read. Officials said he will be transported on the first available military flight to the military prison at Fort Leavenworth in Kansas.

For nearly four years, the federal government has sought to execute Hasan, believing that any sentence short of a lethal injection would deny justice to the families of the dead and the survivors.

Hasan has seemed content to go to the death chamber for his beliefs. He fired his own attorneys to represent himself and barely put up a defense during his trial.

He was never allowed to argue in front of the jury that the shooting was necessary to protect Islamic and Taliban leaders from US troops. During the trial, Hasan leaked documents to journalists that revealed him telling military mental health workers in 2010 that he could ‘’still be a martyr’’ if executed.

All but one of the dead were soldiers, including a pregnant private who curled on the floor and pleaded for her baby’s life.—AP