However , he instead ends up constructing incendiary devices so that an American submarine can locate and sink the ship at night .
The Navy and OSS instructors assigned to teach him military explosives are amazed at his skill in the subject matter .
He instead ends up constructing incendiary devices so that an American submarine can locate and sink the ship at night .
The Navy and OSS instructors assigned to teach him military explosives are amazed at his skill in the subject matter .