Today's Defense Pulse

UK MOD issues new RA 5219 rules for flight‑test instrumentation and data recorders
Regulatory Article 5219 now mandates specific sensors, recorder capacities, data‑retention periods and compliance procedures for UK military air‑system flight trials. The latest Issue 8 revision was released on 29 May 2026, replacing earlier versions dating back to 2014. The rule applies to all future flight‑test programs of air platforms.
Also developing:
By the numbers: Disciplined Growth Acquisition Corp raises $150M in IPO

Dominion Dynamics Says It Will Invest $50 Million to Build a “Sovereign Autonomous Wingman”
Dominion Dynamics, an Ottawa‑based defence startup, announced a CAD 50 million investment to develop an Autonomous Collaborative Platform (ACP), a sovereign “autonomous wingman” that will operate alongside manned fighters. The company plans to deliver a sub‑scale prototype within 24‑36 months, leveraging advanced simulation, sensor integration and materials testing. This effort aligns with Canada’s expanded defence budget and its goal to become a domestic supplier rather than a purchaser of foreign technology. Dominion also intends to form an advisory council of senior aerospace and AI leaders to ensure NATO and Five Eyes compatibility.
TDL | Defense Before Offense: Leadership, Risk, and the Cost of Bad Decisions | Steven Elliott
In a recent episode of The Defender’s Log, Adam Networks CFO Steven Elliott draws on his Army Ranger background to argue that defense must precede offense in cybersecurity. He outlines a "priorities of work" framework—security, maintenance, personal care, and sleep—as...

Supersonic Bombers Begin to Arrive at RAF Fairford as Iran Bombing Intensifies
The United States Air Force has begun rotating Rockwell B‑1B Lancer supersonic bombers to RAF Fairford in Gloucestershire, with up to six aircraft expected during the current deployment. The arrival coincides with an intensification of U.S. air strikes against Iran, signalling...

USSF Eyes ‘Dual-Use’ Ways to Boost Space Superiority, Prep for Guardians in Orbit
U.S. Space Force leaders are exploring dual‑use initiatives that can sustain today’s space‑superiority mission while laying groundwork for future Guardians—military astronauts—operating in orbit. At the AFA Warfare Symposium, officials warned that China’s fully integrated civil‑military space program could give it...
Hungary Clashes with EU After Being Shut Out on Ukraine Arms Funding
Hungary sued the EU after being barred from a vote on allocating frozen Russian asset profits to Ukraine’s military aid. The country argues its earlier abstention on the profit‑sharing decision does not strip its right to participate in the subsequent...

What in the World?
The United States and Israel launched strikes against Iran, prompting diplomatic overtures such as Malaysia’s Anwar Ibrahim offering to mediate a cease‑fire. Meanwhile, India and Canada agreed to deepen defense cooperation, and the U.S. partnered with Ecuador to target narcoterrorist...
Why Replacing Anthropic at the Pentagon Could Take Months
The Department of Defense has given Anthropic six months to remove its Claude model from classified networks, citing it as a supply‑chain risk. While swapping the model technically takes minutes, retraining personnel and re‑engineering workflows will take months. The move...
Clean Energy Funding Still Trails Military Budgets
On The Climate Brink, @hausfath.bsky.social writes about the trends of spending on clean energy vs. national defense: When will clean energy spending exceed military spending? https://www.theclimatebrink.com/p/when-will-clean-energy-spending-exceed

Shadow Boxing With the Kremlin
Former CIA officer Sean Wiswesser’s April 2026 book, *Tradecraft, Tactics and Dirty Tricks*, offers a candid look at Russian intelligence after the Soviet era. He argues that most Russian operatives abroad are inept, relying on amateur “illegals” who mishandle tradecraft and...

Southern States Enhances Layered Airspace Protection Strategy with SkySafe’s Drone Detection and Airspace Intelligence
Southern States LLC announced a partnership with SkySafe to embed the latter’s cloud‑based drone detection and airspace intelligence platform into Southern States’ Layered Airspace Protection Strategy for utilities. The integrated solution offers real‑time identification, flight‑path history, and operator location, delivering...

DHS CISO, Deputy CISO Exit Amid Reported IT Leadership Overhaul
The Department of Homeland Security is replacing its top cyber leaders, with Chief Information Security Officer Hemant Baidwan departing later this month and Deputy CISO Amanda Day leaving at February’s end. Their exits are part of a broader IT realignment...
Pratt & Whitney Wins $256.3m Contract Modification for F135 Spares
RTX’s Pratt & Whitney Military Engines unit secured a $256.26 million modification to contract N0001920D0013, adding advanced long‑lead materials for F‑135 propulsion system spares supporting the F‑35 Joint Strike Fighter program. The award covers depot lay‑in material, the global spares pool, and...
Northrop Grumman CIRCM System Selected for Germany’s CH-47 Chinook
Germany will acquire 47 Northrop Grumman Common Infrared Countermeasures (CIRCM) systems for its newly ordered CH‑47F Block II Chinook fleet, marking the first delivery of the technology to the country. The procurement supports NATO‑driven combat‑readiness upgrades and dovetails with a $876.42 million contract...

China Really Thinks It Is Just Defending Itself
China’s Communist Party frames its far‑reaching global actions as defensive, even as it expands military capabilities, maritime claims and economic influence. This self‑perception stems from a blend of historic victimhood and a belief in inherent peacefulness, which turns defensive intent...

Exercise Arctic Connect Validates Communication Across Alaska
Exercise Arctic Connect brought together more than 30 radio operators from 28 locations across Alaska to test high‑frequency communications. Participants from the Alaska National Guard, State Defense Force, Civil Air Patrol, and state emergency agencies validated HF pathways and refined...

North Korean Agents Using AI to Trick Western Firms Into Hiring Them, Microsoft Says
Microsoft’s threat‑intelligence unit warned that North Korean state‑backed actors are leveraging AI tools—voice‑changing software, face‑swap apps, and synthetic name generators—to fabricate credible identities and secure remote IT positions with Western firms. Once hired, the impostors funnel salaries back to the...
U.S. Navy to Christen Future USNS Hector A. Cafferata Jr.
The U.S. Navy will christen USNS Hector A. Cafferata Jr., the final Expeditionary Sea Base (ESB‑8), on March 7, 2026 at General Dynamics NASSCO in San Diego. The ship honors Marine Corps Reserve Pvt. Hector Cafferata Jr., a Korean War Medal of Honor hero. Senior...
GAO Sustain: Failure to Acknowledge Solicitation Amendment Was a Material Defect
The GAO sustained a protest by Moorish‑Wallace Construction, finding that E.C. Korneffel Co.'s failure to acknowledge a third amendment to an Army IFB was a material defect. The amendment increased the steel pile cap size and weight, changing performance requirements...

U.S. Army Sends Heavy-Armed Stryker Vehicles to South Korea
The U.S. Army has sent eight M1304 ICVVA1 Stryker infantry carrier vehicles, equipped with a 30 mm Medium Caliber Weapon System, to the port of Busan, South Korea, as part of a rotational deployment. The heavy‑armed variant provides greater firepower against...
Kurdish Militias Likely to Spark Iran Ground War
Why the First Shots in an Iran Ground War Could Come From the Kurds @WSJ https://t.co/iCzYnG2yEs If a ground war is to be fought in Iran, the first shots could be fired in the country’s Kurdish areas, where militias say they...

What the First AI Elections Tell Us
The AI‑focused super PAC Leading the Future raised over $50 million and secured decisive victories for pro‑AI candidates in Texas and North Carolina, spending more than $1.2 million on two Republican winners. In contrast, the Public First Action network, funded primarily by...
Why Middle Eastern Markets Demand Bespoke AFV Solutions
Middle Eastern defense customers are increasingly insisting on armoured fighting vehicles (AFVs) that are customised for the region’s extreme climate and operational demands. Western OEMs find that off‑the‑shelf European designs often require significant modifications, such as enhanced cooling and desert‑ready...

Could a Pacific War Be Lost in the Atlantic? Lessons From a USNI “Useful Fiction”
The U.S. Naval Institute’s "useful fiction" scenario imagines a future Pacific war with China that collapses because of coordinated attacks in the Atlantic. The article shows how Beijing could employ diplomatic, informational, military, and economic (DIME) tools to seize ports,...

Kuwait Pilot Hailed as “Gabriel Medina of the Skies” After Downing Three U.S. Fighter Jets
During the seventh day of the Iran‑Israel conflict, a report claimed a Kuwaiti F/A‑18 pilot, dubbed the “Gabriel Medina of the Skies,” shot down three U.S. F‑15E Strike Eagles with heat‑seeking missiles, costing about $187 million. The story initially cited U.S....
US Wins Over Iran, Reshapes Global Oil Power
"U.S. Success Against Iran Could Be a Game Changer for World Oil Security," @WSJ https://t.co/ICXqOkIlg2 If Iran, along with Venezuela, is soon ruled by a regime friendly or at least not hostile toward the U.S., that would neutralize two oil exporters...

Naval Sinking Spikes Shipping Risk, Insurance Premiums Skyrocket
DID THE NAVY JUST SINK SHIPPING? Question for @SecWar, @thejointstaff @CENTCOM @US5thFleet: Was there any discussion about the impact that sinking an Iranian frigate near a heavily trafficked shipping lane would have on global shipping. I am not privy to the...

JSOU’s SOF Professional Podcast | AI and the Future of Military Education
The Joint Special Operations University’s second SOF Professional Podcast episode features Dr. James Lacey arguing that professional military education must fully embrace artificial intelligence now, not later. He describes how AI‑enabled tools are already reshaping research, writing, and critical thinking...

Accusatory Article Ignores Second Iranian Warship Presence
What we do know now is that your accusatory article is fundamentally flawed - there was another Iranian warship in the area. And yet you seem to stand by it, unedited. https://t.co/w6a9Zhpl6X
Israel Strikes Deep Tehran IRGC Command Tunnel
More than 50 Israeli aircraft dropped bunker busting and penetrating precision bombs (a lot of them) on a deep buried military tunnel complex in Tehran used by the IRGC Supreme Command (whoever that is right now). No BDA yet. @jconricus

The Strategic Logic of Large Militant Alliance Networks
Episode 148 of the Irregular Warfare Podcast examines why militant groups form large alliance networks, drawing on research by Chris Blair and Phillip Potter. The authors argue that alliances are less about signaling strength and more about compensating for organizational...
Russia Provides Iran with US Asset Locations for Strikes
Russia has shared targeting intelligence with Iran, including locations of American military assets in the Middle East, as Tehran unleashes a barrage of drone and missile strikes against the US and its allies. https://t.co/Gga81FiCQh
Ballistic Missiles Exit Space, Making Interception Nearly Impossible
“Their ability to exit and re-enter the Earth's atmosphere makes them incredibly difficult to intercept.” 👏All missiles fired on ballistic trajectories travel through space, including the Iranian ones.👏

Croatia Cleared of Mines
Croatia has declared itself completely mine‑free after a three‑decade demining effort that removed roughly 107,000 landmines and 470,000 unexploded ordnances. The operation, costing about €1.2 billion, claimed the lives of 41 professional deminers and 208 civilians. Minister of the Interior Davor...
Zelensky Visits Front Lines Amid Druzhkivka FPV Attacks
Druzhkivka is regularly targeted by FPVs. It is commendable that President Zelenskyy continues to visit units near the front line.
Ukraine Talks US, Gulf States on Acoustic Drone Defense
‚Ukraine is in talks with the US and several Gulf states about replicating Kyiv’s acoustic detection network to counter Iranian attack drones, according to people familiar with the matter.‘ https://t.co/ddTJ6sojt5

U.S. Awards $14.9M Contract for 360-Degree Radar Systems for Ukraine
The U.S. Department of State awarded Echodyne Corp. a $14,986,207 contract to deliver 360‑degree, four‑paneled tactical radar systems and support services for Ukraine. The contract, issued on March 5, 2026, targets continuous surveillance and rapid detection of aerial and surface threats. Echodyne’s...
Inside USS Charlotte’s Torpedo Attack Battlestations Procedures
For an idea of what things looked like onboard USS Charlotte during its attack on IRIS Dena, this Navy video shows some of the procedures to man battlestations and conduct a torpedo attack. This is for a submerged target but...
Policy Choices Cost US Rare Earths Dominance
The backstory on exactly how the US ceded its rare earths/critical minerals dominance is here --> https://t.co/m6IQmzrJHT

DARPA Seeks Faster Production of Hypersonic Heat Shields
DARPA has launched the Carbon Crunch program to speed up manufacturing of carbon‑carbon aeroshell heat shields for hypersonic weapons. The initiative targets the slow, costly, and hard‑to‑scale production process of existing C‑C composites, not new materials. By encouraging radical process...
Inside Russian Military Thought: Future War Lessons Revealed
Latest Russia Contingency is out. I join @OAJonsson and @MariaEngqvist to talk about how the Russian military see the future of war, their lessons learned, gaps between theory and practice, and what to make of Russian military thought. @WarOnTheRocks https://t.co/xrgDESr8RN

AI vs Ammo Shortage: Modern Air War Showdown
With AI and a full blown crisis in 'combat mass' and munitions stocks - are we at the point of horse versus tank or wooden ship versus metal battleship in air warfare? #drones #AI #avgeek https://t.co/6BD5jEJqW4 https://t.co/4o9i2XD90j

EU Auto Rules Shift Gears on Cybersecurity Standards
The European Union’s Euro 7 emissions package now mandates cybersecurity controls for all new vehicles sold in Europe. Manufacturers must obtain security certificates, conduct risk assessments, and guarantee secure transmission of emissions and battery‑durability data. The rules target data tampering,...
War Costs Explode: Iraq $8 Trillion, Iran Ahead
Remember the Iraq war? It was supposed to be a cake walk that would cost US taxpayers a mere $50 billion. IT ACTUALLY COST $8 TRILLION. The US taxpayer will face sticker shock when the bill for America’s war against Iran arrives. WARS...
Ukraine Sees Sharp Drop in Russian Shahed and Missile Attacks
Is this a coincidence that we in Ukraine are having a sharp decrease in the number of Russian Shahed attacks these days? I mean, it’s very noticeable. Same goes about Russian massive missile attacks.
Iran's Missile Stockpile and US Air Superiority Limits
I joined @BloombergTV to talk about two key issues that will shape the next phase of the war: the depth of Iran’s missile and drone inventory, and whether the US can establish more than localized air superiority over Iran. https://t.co/F6HeeJ3FM8
82nd Airborne HQ Exercise Canceled Amid Iran Conflict Speculation
SCOOP: The Army in recent days canceled a training exercise for the headquarters element of the 82nd Airborne Division, fueling speculation among soldiers that they may be called upon for a still undefined mission as the war with Iran widens.
OT Cybersecurity Fails Governance, Not Just Terminology
OT cybersecurity is a governance failure masquerading as a vocabulary issue | Control Global https://t.co/ppRU4DoyMR

War Directly Hits Middle East Public Cloud Infrastructure
1/ It’s a watershed moment for enterprise IT. For the 1st time, we’re seeing major public cloud infra in the Middle East physically damaged by war, not just cyberattacks or power events. Two AWS data centers in the UAE were directly struck...

US Submarine Not Sole Target; Iranian Support Ship Present
The most fundamental point in this @rstatecraft article that all-but-accuses U.S. submariners of committing a war crime is incorrect. Because we now know that there was, in fact, another Iranian warship in the area - the replenishment ship IRIS Bandar Abbas....
Israel Used Fake Car Sightings to Mask Iran Strike
Details into the Israeli (for sure there was a U.S. version) deception operation before the opening strike against Iran.