subbrief

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, th...

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, th...

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, th...

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 non-NATO designs. 2025-05-01 11:49:22 +0000 UTC View Post

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 ...

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 ...

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 destroyer is 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-N-22...

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 a compact hull.

Tuo C...

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 frigate is 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)...

Chi Yang Frigate Audio Brief

The Chi Yang-class frigate is 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)...

Chi Yang Frigate Photos (Taiwan Navy)

The Chi Yang-class frigate is 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)...

Kee Lung Destroyer Ship Brief

The Kee Lung-class destroyers are a group of four guided-missile destroyers serving in the Republic of China Navy (ROCN). Originally built as the Kidd-class for 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 destroyers are a group of four guided-missile destroyers serving in the Republic of China Navy (ROCN). Originally built as the Kidd-class for the U.S. Navy, they were acquired by Taiwan in the early 2000s to enhance its air defense capabilities. T...

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/TayfunOzberk

These are private for our Patreon members, but you may share t...

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) ...

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 commission...

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, the Canadian governme...

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.