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IE Navy Rank InsigniaLtCmdr.svg Insignia of Lieutenant Commander in the Irish Naval Service Created by User Niamh O'C in Inkscape Irish Naval Service Rank Insignia in the Irish Naval Service Design PDIrelandGov Rendering Niamh O'C Original upload log en IENavyRankInsigniaLtCmdr svg bytes Niamh O'C Summary Insignia of Lieutenant