In this RNB Podcast episode, Michael Lester interviews Jill L'Estrange of the Headland Preservation Group about the proposed divestment sale of HMAS Penguin, the historic waterfront naval facility at Middle Head, Mosman. Explore the community objections, the campaign to keep the site in public hands, and how these decisions intersect with defence budgeting and heritage protection. A thoughtful look at preserving public heritage amid development pressures on Sydney Harbour's Middle Head-Georges Heights precinct.