Tom WILLIAMS
VALEDICTORY. (1942, January 9). The Kangaroo Island Courier (Kingscote, SA : 1907 - 1951), p. 2.http://nla.gov.au/nla.news-article191421618
It is unclear who this person is.
There is no Tom Wiiliams listed as joining the navy.
There are three Thomas Williams from WA and one from Broken Hill.
25652
F3577
F4962
S/3645 (from Broken Hill)
It is possible that Tom, (or Thomas) was not his main name. But of the 317 Williams who joined the navy, no-one with a middle name of Thomas hailed from SA.