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

Does Iran Pose a Real Threat to US Carriers? Debate Finally Answered For Good
The article dissects Iran’s alleged ability to strike a U.S. aircraft carrier, revealing that long‑range anti‑ship missiles depend on airborne reconnaissance and mid‑course guidance rather than autonomous targeting. It explains that carriers operate beyond the radar horizon, can maneuver at high speeds, and are protected by a screen of escort ships, dramatically reducing hit probability. Iran’s missile inventory, while sizable, lacks the hypersonic speed and sophisticated guidance needed for precise over‑the‑horizon attacks. Consequently, sinking a carrier would require dozens of coordinated missile strikes, a scenario Iran cannot readily achieve.
Trump Blames Iran for Gulf Oil Disruption Amid Standoff
Don’t miss the intense psychological warfare and the tug-of-war over the Gulf states accompanying the military conflict. Iran has signalled it would spare Gulf neighbours from further attacks if they distance themselves from hosting US forces, and suggested that vessels...
US and Israel Cripple Iran's Missile, Nuclear Assets
.@CENTCOM says U.S. forces have struck over 5,000 targets and sunk or damaged over 50 ships in the last 10 days. Add Israel's over 3,000 targets to that and you get a lot of capability and resources lost for the...

Hormuz in the Crosshairs: How Pakistan Is Shielding Its Trade From the US-Iran War
On 9 March 2026 the Pakistan Navy launched Operation Muhafiz‑ul‑Bahr to escort its merchant fleet as the Strait of Hormuz shut down after US‑Israeli strikes on Iran. The closure threatens roughly 90 % of Pakistan’s sea‑borne trade and its vital oil and LNG imports....
Iran's Military Crumbling as US‑Israel Gains Ground
I agree. "Iran Isn't Winning This War," @WSJ editorial board. https://t.co/twzXYJsVjZ The reality inside Iran and the region is that the U.S. and Israel continue to make progress. The regime loses more of its military each day, along with the ability...
With World Seemingly At War, DARPA Finds Time To Unveil The X-76
DARPA announced the X‑76, an experimental aircraft built by Bell Textron that promises jet‑like speeds above 400 knots while retaining helicopter‑style runway independence. The program, run with U.S. Special Operations Command under the SPRINT initiative, has cleared its Critical Design...
Trump’s Iran Optimism Fails to Calm Investors
“Trump saying the Iran war will be over very soon is hardly the reassurance that will get tankers sailing normally again in and out of the Strait of Hormuz,” said Vandana Hari, founder of analysis firm Vanda Insights. Investors could...
UAE Airlifts Hundreds of Israelis After Netanyahu Request
Netanyahu spoke with UAE President Mohammed bin Zayed on Saturday to ask for help evacuating Israelis from the UAE, per reports. UAE chartered three planes at their expense... two arriving at Ben Gurion tonight with ~600 Israelis, one with over...

Australia to Send Missiles to UAE, Deploy Reconnaissance Plane, but No Troops
Australia announced it will deploy a Boeing E‑7A Wedgetail airborne early warning aircraft to the Gulf for an initial four‑week period and deliver advanced medium‑range air‑to‑air missiles to the United Arab Emirates. Prime Minister Anthony Albanese stressed the move is...

3D-Printed Padding System Aims to Improve Safety and Quality of EOD Helmets
A 3D‑printed lattice padding system for explosive ordnance disposal (EOD) helmets is being developed by rapid product manufacturing GmbH (rpm) in partnership with amsight. The additively manufactured padding replaces conventional foam, allowing stiffness and damping to be tuned for different...

Iran Now Cast as Oil‑flow Villain; Markets Act Calm
JUST IN: Classic turning the tables. Now Iran will be the bad guy for doing anything that hinders oil flows through the Strait of Hormuz. Crude is trading Tuesday morning as if the war is over. The proof will be in...

Missile Performance Relies on Critical Scandium Supply
Missiles like the Tomahawk—and the advanced defenses against them—consume vast quantities of critical minerals far beyond just copper. These systems increasingly depend on scandium-aluminum alloys to reduce weight, extend range, and enhance payload performance under extreme conditions. That’s exactly why these are...

Kyodo News Digest: March 10, 2026
Kyodo News highlighted several pivotal developments on March 10, 2026. Japan’s October‑December GDP was revised up to a 1.3% annualised gain, while household spending slipped 1% year‑on‑year in January. The G7 finance ministers discussed a coordinated oil‑reserve release to stabilise...
Trump Claims Productive Call with Putin on Ukraine, Middle East
DORAL, Florida, March 9 (Reuters) - U.S. President Donald Trump on Monday told reporters he had a "very good call" with Russian President Vladimir Putin about Ukraine and the conflict in the Middle East.
B-2 Retired Years Ago, B-21 Slated Next
This is definitely false. B-2 line has been gone for years and the B-21 is up next.

OpenAI Leader Resigns Over Pentagon Desire For AI Mass Surveillance Of Americans and Lethal Autonomy Without Human Authorization & Possible...
OpenAI’s hardware chief Caitlin Kalinowski resigned on March 7, 2026, citing governance concerns over the company’s new Pentagon contract. The deal, signed after Anthropic’s negotiations collapsed, allows OpenAI models to run on classified networks without explicit safeguards against domestic mass surveillance, lethal...
ISIS Targets Iran as Anti‑Islamic Enemy in Gracie Mansion Attack
Feel like more of the reporting on the ISIS-inspired attack at Gracie Mansion should point out that ISIS is a sworn enemy of the Iranian state and views Iran as anti-Islamic https://t.co/j1IfC7LQyP
False B‑21 Rumor Repeats Monthly in Media
Every month this bogus headline surfaces and goes around the human centipede that is modern media. A simple google by someone who knows nothing will make it clear this is not a thing. Its origins likely have to do with...

Trump and Putin Discuss End to Iran and Ukraine Wars on Call
President Donald Trump and Russian President Vladimir Putin held a roughly hour‑long phone call, their first since the Iran‑Russia conflict escalated. The leaders discussed proposals to end the war in Iran and linked those efforts to a potential resolution of...

China Refrains From Detaining Ships Amid US‑Iran Clash
“China could have held these vessels at port, imposed an administrative delay, invented a customs hold – any number of bureaucratic tools, but didn’t,” he said, calling the decision notable at a time when the United States and Iran are engaged...
US Envoy Steve Witkoff Seeks Contact with Iran's Foreign Minister
The Al Jazeera bureau chief in Tehran, Noureddine El-Dghir, reports from reliable sources that US President’s envoy, Steve Witkoff, has attempted to reach Iranian Foreign Minister Abbas Araghchi

Kentucky Soldier Stationed in Saudi Arabia Is 7th U.S. Military Death in Iran War
Sergeant Benjamin N. Pennington, a 26‑year‑old from Glendale, Kentucky, became the seventh U.S. service member killed in combat during the Iran war after being wounded in a March 1 attack on Prince Sultan Air Base in Saudi Arabia. Pennington served in...
IRGC Awaits US Navy's Entry Into Hormuz, Carrier Arrival
Islamic Revolutionary Guard Corps: ‘Our armed forces are waiting for the entry of the US Navy into the Strait of Hormuz and the arrival of the aircraft carrier Gerald Ford.’
![[Watch Your Six // Rear-Sector Awareness]](/cdn-cgi/image/width=1200,quality=75,format=auto,fit=cover/https://substackcdn.com/image/fetch/$s_!D096!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F2c9a7e81-c716-417c-9707-6960c9f82c8e_1280x1280.png)
[Watch Your Six // Rear-Sector Awareness]
The article stresses the critical need for rear‑sector situational awareness, known as “watch your six,” to counter threats that arise from blind spots. It delivers a concise tradecraft checklist—including micro‑pauses, distance management, angle control, pattern variation, and exit pre‑planning—to embed...

Scoop: White House Readies Executive Order to Weed Out Anthropic
The White House is drafting an executive order that would explicitly bar Anthropic’s Claude AI from all federal operations. Agencies such as the Treasury have already begun off‑boarding Anthropic tools, and the company is suing the Pentagon over a supply‑chain...
US and Israel Signal Extended Iran Conflict Through September
The signal from Washington and Jerusalem is that this runs through September or later— long enough to set expectations, long enough to signal to the Mullahs and IRGC we have staying power in a war of attrition, long enough to buy...

New Science on Heat Is Changing the Future of Soldiering
The U.S. Army is integrating wearable biometrics and new heat‑stress science to overhaul how soldiers train and operate in hot environments. Sensors that monitor heart rate and core temperature can flag impending heat‑stroke up to twelve minutes before symptoms appear,...

Trump Predicts Iran War Ending Soon, Critiques New Leader
President Trump just finished speaking on the Iran situation now. Here is a summary of his key comments. He says the war will end very soon (but not this week) and he is disappointed by the new supreme leader's appointment. Oil...

GAO Finds Mounting Costs, Years-Long Delays Across NNSA Nuclear Projects
The U.S. Government Accountability Office released a report highlighting that cost growth across the National Nuclear Security Administration’s nuclear‑modernization construction portfolio has more than doubled since 2023. The portfolio, valued at roughly $30 billion, now faces multi‑year schedule delays on several...

The Turner Report - What Is Actually in It?
The 1971 Turner Report, authored by Australian defence scientist Harry Turner, is an internal memorandum that asserts UFOs constitute a genuine phenomenon and details U.S. anti‑gravity and theoretical‑physics programs up to the late 1960s. Turner, a former nuclear health‑physics officer...

Trump Nominee to Lead Cyber Command, NSA Clears Key Senate Hurdle
President Donald Trump’s nominee, Army Lt. Gen. Joshua Rudd, cleared a key Senate procedural hurdle to lead both U.S. Cyber Command and the National Security Agency. The Senate voted 68‑28 to invoke cloture, limiting debate and setting up a final...

What Are Small Wars? | Irregular Warfare Podcast #1
The Modern War Institute, together with Princeton’s Empirical Studies of Conflict Project, launched the inaugural Irregular Warfare Podcast. In the first episode, hosts Kyle Atwell and Nick Lopez interview Princeton political scientist Dr. Jake Shapiro and Colonel Patrick Howell to...
Iran's IRGC Commander Vows to only Use Missiles with Warheads Weighing at Least One Ton
Iran's Islamic Revolutionary Guard Corps (IRGC) Aerospace Force commander Majid Mousavi announced that Iran will only launch missiles equipped with warheads weighing at least one ton, signaling a shift toward heavier payloads. He also warned that the frequency and intensity...

Wilsbach’s Message to the Force on Iran: ‘We Need You Ready’
Chief of Staff of the Air Force Gen. Kenneth S. Wilsbach sent a force‑wide letter urging Airmen to stay ready as Operation Epic Fury intensifies the U.S. campaign against Iran. The operation has deployed every bomber and fighter type, achieving...

The USS Mississippi Earned Eight Battle Stars and Made Naval History Twice
The USS Mississippi (BB‑41) earned eight battle stars and made naval history by firing the final battleship salvo against another warship during the Battle of Surigao Strait in October 1944. Built in 1917, she survived two catastrophic No. 2 turret explosions—one in...
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Much of Iran's Near-Bomb-Grade Uranium Likely to Be in Isfahan, IAEA's Grossi Says
The IAEA chief Rafael Grossi said Isfahan likely holds just over 200 kg of 60 % enriched uranium, the bulk of Iran's near‑bomb‑grade stock after the June attacks. Iran has not disclosed the current location or condition of this material, and inspectors...
Trump's Iran Comment Pushes Oil Below $90, Markets Rally
As I noted in this thread, no oil infrastructure was damaged. This was all about waiting for a resolution to gets the ships moving again. Looks like that happened and the market is pricing in the end of the war. Headlines * TRUMP...
Tomahawk
There are a finite number of countries that possess Tomahawk missiles. Iran is not one of them.

Employees Across OpenAI and Google Support Anthropic’s Lawsuit Against the Pentagon
Anthropic sued the Department of Defense after the Trump administration labeled the company a supply‑chain risk for refusing to enable domestic mass surveillance and fully autonomous weapons. Hours later, roughly 40 engineers and researchers from OpenAI and Google filed an...
Speculating Maduro's Ouster as Venezuela Insurance Against Iran
Is it feasible that Maduro was taken off the board to use Venezuela as some sort of insurance policy against attacking Iran leading to tighter oil supply or is that silly
Risky Raid May Be Only Way to Secure Iran's Uranium
Special Operations Raid To Secure Iran’s Enriched Uranium May Become A Very Risky Necessity A raid is fraught with risk, but it may become the only way to make sure the nuclear material is safe and out of the regime's hands. https://t.co/Wlqxk84kyf

Defense Stocks Up as Global Conflict Explodes: Watch These ETFs
A wave of geopolitical conflict in 2026 has reignited demand for defense and unmanned‑air‑vehicle technologies, sending defense‑related equities soaring. Drone‑focused ETFs such as the Rex Drone ETF (DRNZ) posted a 29.4% gain over the past three months, while broader defense...
DARPA's X-76 to Test Fold‑Away Rotors By
Bell’s X-76 Fold-Away Rotor Aircraft Is DARPA’s Newest X-Plane Planned to fly in 2028, the X-76 will explore technologies for fast-flying runway-independent aircraft with folding rotors, crewed and uncrewed. https://t.co/Q9nYT16ovV
Airborne Tactics to Neutralize Transformers without Explosives
Taking out a power transformer/relay station from the air perhaps? A couple interesting ways to do that from the air without high explosive.
Dutch Frigate HNLMS Evertsen to Be Deployed in the Mediterranean
The Netherlands announced that the De Zeven Provinciën‑class frigate HNLMS Evertsen will operate in the eastern Mediterranean from this week until early April. The ship joins the French carrier strike group centered on Charles de Gaulle, providing air‑defence and command...

Iran Vows Economic Chokehold, Dismisses Cease‑fire, Wall Street Skeptical
Iranians told CNN their strategy is to choke the world economy until Trump is forced to remove U.S. forces from being able to threaten Iran. Wall Street doesn’t believe they can or will. https://t.co/iYUzaEGQy7
First Closure Hard, Repeated Closures Become Effortlessly Easy
Shutting down Hormuz the first time is like withdrawing from a golf tournament the first time. The second time becomes soooo much easier and will happen with much less provocation.
Gulf Nations’ Restraint Highlights Growing Strategic Sophistication
Impressed by the restraint that gulf countries have shown so far. It shows a high degree of sophistication in internal capabilities - from self defense to intel gathering to strategic decision making. It will be int’g to see how their...
Maritime Dominance Requires More than Shipyards: Chokepoints, Navies, Finance
President Trump’s push for “America’s Maritime Dominance” aims to break China’s grip on global shipbuilding. But shipyards are only one piece of maritime power. Th real contest runs through chokepoints, naval force, commercial fleets, and the insurance and financial systems...

Video Confirms Interceptor Heading Directly Toward Sitra Impact
Unfortunately, that's EXACTLY what the video shows -- the interceptor heading right toward Sitra where the impact reportedly occurred. Red line is the approximate trajectory of the interceptor, white line is the point of view from the video. https://t.co/jvOPjH0Yme