The Naval SITREP is published twice a year by the Admiralty Trilogy Group. It supports the Admiralty Trilogy game system with scenarios, articles on history and technology, and rules expansions & corrections. The Naval SITREP Issue #52 was published in April of 2017. Table of contents: CaS Scenario: Tactical Problem IV The Philippine Buildup Coincidence & Stereoscopic Range- finders in Admiralty Trilogy Games The Torpedo Battleship SMARTROC Austal’s Fix for the LCS Designs for the Netherlands 1912-14 Using SIMPLOT for Harpoon PBEM FG&DN Scenario: Obituary for Oz Chinese Ship Refits CaS Scenario: Plan Alpha Minis Makers on Shapeways Book Review: Jutland: The Unfinished Battle, by Nicholas Jellicoe Book Review: The Battle of Jutland, by John Brooks Book Review: Jutland: The Naval Staff Appreciation, edited by William Schleihauf Book Review: Skaggerak, by Gary Staff Book Review: British and Commonwealth Warship Camouflage of WW II, Vol. 3, by Mal Wright