He assumed senior status on October 31 , 1979 , and served in that capacity until his death .
Firth was confirmed by the United States Senate on March 1 , 1974 , and received his commission on March 8 , 1974 .
Firth assumed senior status on October 31 , 1979 , and served in that capacity until Firth 's death .
Firth was confirmed by the United States Senate on March 1 , 1974 , and received his commission on March 8 , 1974 .