Chuck Hagel, a Vietnam war veteran and former US senator from the state of Nebraska, has been nominated as President Barack Obama's next defence secretary.

On Thursday, he is going to be questioned at a senate confirmation hearing.

But Hagel has already faced a lot of questions, mostly from his fellow Republicans, over his fitness for the job.

Al Jazeera's Rosiland Jordan reports from Washington, DC.

Source: Al Jazeera