subbrief posts
Gotland Class Sub Brief
The Gotland-class submarine is a Swedish-built diesel-electric submarine (SSK) notable for being the first operational submarine class in the world equipped with Air-Independent Propulsion (AIP) based on Stirling engine technology. Designed for littoral (coastal) and open-ocean operations, the Gotla...
Gotland Class Audio Brief
The Gotland-class submarine is a Swedish-built diesel-electric submarine (SSK) notable for being the first operational submarine class in the world equipped with Air-Independent Propulsion (AIP) based on Stirling engine technology. Designed for littoral (coastal) and open-ocean operations, the Gotla...
Gotland class Submarine Photos
The Gotland-class submarine is a Swedish-built diesel-electric submarine (SSK) notable for being the first operational submarine class in the world equipped with Air-Independent Propulsion (AIP) based on Stirling engine technology. Designed for littoral (coastal) and open-ocean operations, the Gotla...
Valborg! May is all about Sweden's Navy, Ya
This month we continue with the Swedish Navy platforms. Gotland submarine is next and will be released very soon.Sweden was not a member of NATO until very recently, this allowed them to build very unique, cost effect platforms and systems. Both our lectures this month will dive into these uniquely ...
Visby-class Corvette Ship Brief
The Visby-class corvette is a cutting-edge stealth warship developed by Sweden for littoral combat and coastal defense. Built by Kockums AB, these vessels serve in the Swedish Navy and are renowned for their angular composite hull design, which significantly reduces radar, infrared, acoustic, and ma...
Visby corvette Audio Brief
The Visby-class corvette is a cutting-edge stealth warship developed by Sweden for littoral combat and coastal defense. Built by Kockums AB, these vessels serve in the Swedish Navy and are renowned for their angular composite hull design, which significantly reduces radar, infrared, acoustic, and ma...
Sweden's Visby corvette photos
Sweden's Visby corvette photos
IDEX 2025 Wrap Up
IDEX is one of the largest military technology expos in the world. These are photos from Tayfun's trip in 2025.
Sovremenny-class Quick Take
The Sovremenny-class destroyeris a Soviet/Russian guided missile destroyer developed during the Cold War era, primarily intended for anti-ship warfare and fleet air defense roles. Entering service in the early 1980s, these warships are equipped with powerful weaponry, including the P-270 Moskit (SS-...
IDEX 2025 Part 2
Our Lead Writer, Tayfun spent a few days at IDEX 2025 and shared these photos.
Tuo Chiang Ship Brief
The ROCS Tuo Chiang-class is a modern class of stealth missile corvettes operated by the Republic of China Navy (Taiwan). Designed primarily for rapid strike, littoral combat, and asymmetric warfare strategies, these vessels emphasize high speed, stealth characteristics, and formidable firepower in ...
Photos of Tuo Chiang corvette
Taiwan's fast corvette.
Houthi Strike Summary (credit Ian Ellis Jones)
What did the March 15, Ides of March, strike look like? Here it is. Great summary by Ian.
Q&A Shipbuilding & Taiwan
SIGNAL chat 'Houthi PC small group' explanation of what happened.Why I stopped streaming, Internet update. US Navy throws Fincanteiri shipyard under the bus for Constellation design delays.Typhon missiles (MRC) deployed to Philippines. Upcoming Ship Briefs after Taiwan are...Review our defen...
Chi Yang Frigate Ship Brief
The Chi Yang-class frigateis a class of guided missile frigates operated by the Republic of China Navy (Taiwan), originally built as the U.S. Navy's Knox-class frigates. These ships, transferred to Taiwan in the 1990s, were modernized and refitted to enhance anti-submarine warfare (ASW), surface...
Chi Yang Frigate Audio Brief
The Chi Yang-class frigateis a class of guided missile frigates operated by the Republic of China Navy (Taiwan), originally built as the U.S. Navy's Knox-class frigates. These ships, transferred to Taiwan in the 1990s, were modernized and refitted to enhance anti-submarine warfare (ASW), surface...
Chi Yang Frigate Photos (Taiwan Navy)
The Chi Yang-class frigateis a class of guided missile frigates operated by the Republic of China Navy (Taiwan), originally built as the U.S. Navy's Knox-class frigates. These ships, transferred to Taiwan in the 1990s, were modernized and refitted to enhance anti-submarine warfare (ASW), surface...
Kee Lung Destroyer Ship Brief
The Kee Lung-class destroyersare a group of four guided-missile destroyers serving in the Republic of China Navy (ROCN). Originally built as the Kidd-classfor the U.S. Navy, they were acquired by Taiwan in the early 2000s to enhance its air defense capabilities.These ships—ROCS Kee Lung (DDG-1801)...
Kee Lung Destroyer Audio Brief
The Kee Lung-class destroyersare a group of four guided-missile destroyers serving in the Republic of China Navy (ROCN). Originally built as the Kidd-classfor the U.S. Navy, they were acquired by Taiwan in the early 2000s to enhance its air defense capabilities. These ships—ROCS Kee Lung (DDG-1801...
Tayfun's International Defense Expo (IDEX) 2025
Our very own Technical Writer, Tayfun Ozberk went to IDEX/NAVDEX in Abu Dhabi this past month. Here are photos from his trip. You can follow him on Twitter here: https://x.com/TayfunOzberkThese are private for our Patreon members, but you may share them as you see fit with credit to Tayfun Ozberk...
Welcome to March and the Taiwan Navy!
This month begins a series of 5 lectures on the Republic of China Taiwan's Navy. First up is the Kee Lung. I expect that will be up the first week of March.I look forward to breaking down this Navy and measuring it's effectiveness against current threats.
Harry DeWolf-class Ship Brief
In my opening remarks, I mention that Canada has 4 of these vessels. They are building 2 additional AOPVs for a total of 6 vessels. The Harry DeWolf-class Arctic and Offshore Patrol Ship (AOPS)is a class of ice-capable patrol vessels built for the Royal Canadian Navy (RCN)as part of the National Sh...
Harry Dewolf-class Audio Brief
The Harry DeWolf-class Arctic and Offshore Patrol Ship (AOPS)is a class of ice-capable patrol vessels built for the Royal Canadian Navy (RCN)as part of the National Shipbuilding Strategy. The lead ship, HMCS Harry DeWolf (AOPV 430), was commissioned in 2021 and named after Vice-Admiral Harry DeWolf,...
Harry DeWolf class Photos
Photos from the Ship Brief
Persistent Smart Acoustic Profiler Data Sheets and Photos
This is in reference to this week's YouTube video due out Friday. This is extra information for you for supporting me on Patreon.
Q&A with Aaron: Ship Building in USA
Ship Building is very complicated in the US. Here is why...
This week's YT video notes: Coast Guard
Images and notes from this week's YouTube video due to be released on January 30th. You get an early look at this GAO report that shows how structureless the Coast Guard is and always has been. There is no overall framework or understanding of what the coast guard needs to operate.
Victoria-class Sub Brief
Victoria-class submarines were originally named the Upholder class, after the most renowned vessel of the former U class. Their British service life was short, with the vessels being decommissioned in 1994. After an unsuccessful bid to transfer these submarines to the Pakistan Navy in 1993–1994, t...
Victoria-class Audio Briefing
Audio only version of the Victoria class sub brief for you mobile devices.
Victoria-class photos
Here are some photos from the Victoria class sub brief lecture.



























