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 #18 was published in April of 2000. Table of contents: CaS Scenario: Midway Cruiser Action Harpoon Aircraft Gun Attack Strengths, Revised Ship Camouflage Resources The Quiet Fleet (U.S. Maritime Prepositioning Ships) Shimushu Followup Mythbreaking Photo Intelligence Websites Rules for Advanced Helmet-Mounted Sights Aircraft Endurance Correction in CaS SAMs as SSMs: Correction? Storing Your Ship Miniatures Asian Navies Update Japanese WW II Cruisers Revisited, Part 2 Bumper Boats in the Western Sea Optional Visibility Rules for CaS Book Reviews: Sidewinder, by Ron Westrum Book Review: The Yard, by Michael S. Sanders Form 10: Swedish Västergötland Sub Form 10: Russian Project 677 Lada Sub Form 20: US F/A-18C/D Hornet 30 Form 20: US F/A-18E/F Hornet 31