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- A Willing Foe and Sea Room -
Sitrep Home 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.

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Eight Most Recent Naval Sitrep Issues




April 2025

  • Double Breakthrough: The Hai Chi and Hai Chen Mutiny of 1935
  • CaS Scenario: Battle East of Hong Kong (with supporting annexes)
  • Battlefield Multitaskers
  • The Ships and Aircraft of Taiwan (with Annexes A, B, and C-L)
  • DoB Scenario: Convoy Attack
  • New NWC book on Chinese Amphibious Capability

    Rule Changes and Corrections
  • Understanding the GBU-31 QUICKSINK
  • Night Fighting in CaS 5th Edition

    Product Updates
  • Good News About Shapeways

    Book Reviews
  • The Neptune Factor, by Nicholas A Lambert
  • Fifty-Three Days on Starvation Island, by John R. Bruning
  • The German Invasion of Norway, April 1940, by Geirr H. Haarr


October 2024

  • DoB Scenario: Battle of Souda Bay
  • Mighty Ike’s Battle Axe Guarding the Red Sea
  • Russian Special Purpose Submarines
  • The US Navy’s New EW Pod
  • The US Navy’s New Long-Range AAM
  • Trilogy Scenario: Matinee Turkey Shoot
  • Data Links for ASW
  • CaS Campaign: Malta Strike Force
  • CaS Scenario: Force H Engages
  • Calculating Deadweight Tonnage
  • Battle of Humen (History)
  • CaS Scenario: Battle of Humen
  • Annex Data for the Battle of Humen


April 2024

  • HMS Aurora’s Final Course in China
  • A Missing Cutter
  • ATG Stage Talk
  • Kim’s New Amnok Corvette
  • Realistic Sighting Reports
  • New Aircraft for Iran
  • CaS Scenario: The Battle for Attu
  • Harpoon Scenario: Indian Interception
  • Annexes for Indian Interception
  • The Republic of Korea Aircraft
    (Annex B)
  • Harpoon Scenario: Hunting the Bear
  • The Republic of Korea Navy (Annex A)
  • Annexes for ROK Weapons & Sensors


October 2023

  • Harpoon Scenario: Escape from Aden
  • Fear God & Dread Nought Scenario: Patmos
  • Naming Chinese missiles, Part 2
  • The Guns of SMS Emden
  • Command at Sea Scenario: Vorschlaghammer
  • Localizing a Submarine Contact with Sonobuoys
  • The Iranian Navy & Revolutionary Guard
  • Weapons & Sensors in Iranian Service
  • K-3 is a Museum
  • The Hwasal Missile
  • The Northern Fleet Incident
  • Rule Changes/Book Reviews


April 2023

  • Merivoimat - The Finnish Navy
  • WW1 Submarine Mining
  • Chinese Missiles


October 2022

  • The Swedish Navy and Air Force
  • Designations and Names of Chinese Aircraft
  • CaS Scenario - Action off Ushant, June 1944
  • DoB Scenario - the Battle of Cape d’Orange
  • Adding British Gunboats
  • Winning Operation Sutton
  • Additions to the Red Fleet
  • Rule Changes and Corrections
  • Product Updates
  • Book Reviews


April 2022

  • Harpoon Scenario: Hunt for a Queen
  • The Helge Ingstad / Sola TS Collision: An Analysis
  • Søværnet -The Danish Navy in WW II
  • Naming Chinese Warships
  • CaS Scenario: Operation Tunnel - The Charybdis Action
  • DoB Scenario: The Lüders Affair
  • Ships and Aircraft of the Ukrainian Navy and Air Force
  • Annexes C1, D1, D2a, and H2 for Ukraine


October 2021

  • Tracking Changes in the Rules
  • Harpoon V Scenario: Pasdaran Swarm Attack (with supporting annexes)
  • Iranian Damage Tracker
  • Chinese Gun Correction (the "Type 61" 100mm)
  • Dawn of the Battleship Scenario: Corfu Challenge (with supporting annexes)
  • Harpoon V Scenario: Operation Trimdon - The Vung Tau Ferry (with supporting annexes)
  • Combat Ships of the People"s Liberation Army Navy in the 20th Century

For a free download of the Index of all Naval Sitrep Issues, click here