He retired from the army in 1973 .
Underwood was commander of Fort Bliss from 1967 to 1968 and later was commander , Aerospace Defense Command and commander , Fifth United States Army .
Underwood retired from the army in 1973 .
Underwood was commander of Fort Bliss from 1967 to 1968 and later was commander , Aerospace Defense Command and commander , Fifth United States Army .