Service connection for the cause of death is granted, and service connections for schizophrenia, adjustment disorder with mixed anxiety and depressed mood, coronary artery disease, residuals of right wrist injury are granted with evaluations ranging from 0 to 60 percent, effective between October 25, 2006, and October 18, 2011, while basic eligibility for Dependents’ Educational Assistance based on permanent and total disability status is established from June 18, 2016.