Should Mom be getting all my Veteran fathers disability money after he died in 2010?

My father died in 2010, He was a veteran serving in the Korean aboard a ship. He suffered many strokes from 1991 to his death in 2010 but was on ss, medicare, VA benefits and disability. My parents were divorced at the time of his death but they were married for 34 yrs. He was not re-married.
My mother has had glaucoma for 20 years and has been virtually blind for 5 years now. She has recently had 2 broken hips and a broken shoulder. All my siblings live in other States, and mother is in assisted living. My father left her some money but it is all being eaten up from assisted living. We could definitely use Dads VA or disability checks he was getting at the time of his death. It was substantially more than the ss check my mother gets from my dad.