Premise: Rear Admiral Kevin John Scarce {'1': ", '2': ", '3': ", '4': "} (born 4 May 1952) is a retired Royal Australian Navy officer who was the 34th Governor of South Australia, serving from August 2007 to August 2014. He was succeeded by Hieu Van Le, who had previously been his lieutenant governor.
Hypothesis: Scarce was in the Navy for over 20 years.