There Comstock served under Maj. Gen. Edward Canby .
There Comstock assisted in operations leading to the surrender of Mobile after the Battle of Spanish Fort and the Battle of Fort Blakely in April 1865 .
There Comstock served under Maj. Gen. Edward Canby and assisted in operations leading to the surrender of Mobile after the Battle of Spanish Fort and the Battle of Fort Blakely in April 1865 .