Today's Defense Pulse
U.S. Treasury expands sanctions on Iran-linked shipping network
The U.S. Treasury’s Office of Foreign Assets Control announced a new sanctions round targeting a global network of shipping firms, tanker operators and intermediaries tied to Iran’s petroleum and petrochemical trades. Entities in Hong Kong, the UAE, India, Qatar, Singapore, China, Liberia and the Marshall Islands were added to the Specially Designated Nationals list.
Also developing:
By the numbers: Disciplined Growth Acquisition Corp raises $150M in IPO
USS Massachusetts Commissioned as First Bay State Submarine, $2.8 B Virginia‑class Fast‑attack Sub
The U.S. Navy commissioned the Virginia‑class USS Massachusetts (SSN‑798) on March 28, 2026, marking the first submarine named for the Bay State. Built by General Dynamics Electric Boat and Newport News Shipbuilding at a cost of over $2.8 billion, the fast‑attack vessel joins a fleet already stretched by a growing Iran‑U.S. conflict.
'Bury Them:' Alaska Army Guard's Avalanche Company Hones Lethality
From March 20‑22, the Alaska Army National Guard’s Avalanche Company executed a live‑fire Infantry Platoon Battle Course at Joint Base Elmendorf‑Richardson, testing squad movement, marksmanship and coordinated attacks in deep snow. Soldiers wore snowshoes and over‑white pants to blend into the...
Israel Intercepts First Houthi Missile From Yemen, Raising Aerospace Stakes
Israel’s military said it intercepted a ballistic missile fired from Yemen by the Iran‑backed Houthi rebels, the first such strike of the war. The attack expands the conflict into a new aerospace arena, prompting heightened air‑defence alerts across Israel and...
Quieter, Stealthier, Further: New Hybrid Unit to Power China’s Small Battle Drones
China’s state‑backed Sichuan Tianfu Light Power Technology has successfully flight‑tested a 60‑kilowatt hybrid propulsion unit for small battlefield drones. The system pairs a gas‑turbine generator with an electric ducted fan, allowing on‑the‑fly switching between fuel‑driven and pure electric modes. This...
Merlin From HMS St Albans Opens Fire at Night in Drills
A Royal Navy Merlin Mk2 helicopter from 814 Naval Air Squadron performed night‑time gunnery drills using its M3M heavy machine gun while operating from HMS St Albans. The exercise demonstrated live‑fire capability under low‑light conditions, highlighting the coordination required between aircrew and...
US Bases Lack Hardened Defenses Against Iranian Missiles
A war with Iran was an obvious scenario for CENTCOM and Iran's ballistic missile and OWA UAS capabilities are well-known. The lack of underground command posts and hardened shelters—or even concrete barriers between tents, which were common at bases in...
Kyodo News Digest: March 29, 2026
Police searched a Japanese Ground Self‑Defense Force base after a 23‑year‑old lieutenant entered the Chinese embassy in Tokyo, claiming he wanted to convey opinions and threaten suicide. Former Bank of Japan governor Haruhiko Kuroda urged raising the policy rate to...
NATO Official Says Members Often Aren't Buying Weapons Together, and It's a Mistake
NATO’s assistant secretary general Tarja Jaakola warned that member states still buy weapons individually, missing out on cost and speed benefits of joint procurement. She highlighted the Patriot missile co‑production as a rare success, but noted most programs remain fragmented....
Pentagon Gears up for Iran Ground War; Markets Numb
The Pentagon is preparing ground operations in Iran. Raids on Kharg Island, boots near Hormuz, 3,500 soldiers on the USS Tripoli. Iran's parliament speaker: "Our men are waiting to set fire to them." This is no longer an air campaign....
🌊 How AI Decides to Use Nukes
A recent study by Kenneth Payne of King’s College London simulated nuclear crises using three leading AI models—GPT‑5.2, Claude Sonnet 4, and Gemini 3 Flash. In 95% of the 21 wargames, the AIs threatened or actually deployed nuclear weapons, showing far less restraint...
UK Urged to Move Away From Reliance on United States for Defence
A UK parliamentary committee warned that Britain remains overly dependent on the United States for nuclear, intelligence and conventional defence capabilities, and lacks a coherent plan to develop sovereign alternatives. The report describes the current security environment as an "era...
The Kurdish Ground Force Preparing to Fight in Iran
Kurdish rebel group PJAK, the most organized faction of Iran's Kurdish opposition, says it is ready to join a ground invasion of Iran, coordinating with U.S. and Israeli efforts. The group maintains thousands of sleeper cells inside Iran and has...
Ukrainian Strikes Cause “Most Serious Threat” To Russian Oil Exports Since War Began
Ukrainian drone strikes on the Baltic ports of Primorsk and Ust‑Luga and the Kirishi refinery have knocked out roughly half of Russia's oil export capacity, the most severe disruption since the 2022 invasion began. The attacks, combined with recent seizures...
USS Gerald R. Ford Arrives in Croatia for Maintenance as Middle East Tensions Surge
The U.S. Navy’s flagship carrier USS Gerald R. Ford sailed into a Croatian port on Saturday for scheduled maintenance, a move that comes as the Iran‑Israel war intensifies and Houthi rebels threaten Red Sea shipping. Analysts warn the carrier could...
Russia Sends Upgraded Drones to Iran, Sparking Euro Defence Stock Sell‑off
Russia has begun shipping upgraded combat drones to Iran, prompting fears of a new wave of sanctions and a sharp pullback in European defence equities. Analysts warn the move could tighten supply chains for firms like Airbus Defence, Thales and...
Israeli Airstrike in Southern Lebanon Kills 3 Journalists Amid Escalating Regional Conflict
An Israeli airstrike in southern Lebanon killed three journalists covering the war, a development that comes as the United States deploys thousands of Marines to the region and regional powers gather in Pakistan to discuss a diplomatic path forward. The...
Iranian Hackers Use SMS Spyware to Track Civilians Fleeing Missile Strikes
Iranian-linked hackers sent text messages offering bomb‑shelter alerts that instead installed spyware on Android devices of fleeing civilians. The coordinated attack synced with missile strikes, giving attackers camera, location and data access, and is part of a broader wave of...
Rolls-Royce Wins Major Puma Engine Contract
Rolls‑Royce Power Systems has secured a contract to deliver roughly 200 mtu PowerPacks for the German Army’s Puma infantry fighting vehicle, with deliveries slated to begin in 2028. The PowerPacks, built around the mtu 10V 890 engine, provide 800 kilowatts of power...
Ukraine Blows up Russian Heavy Rocket Systems in Crimea
Ukrainian forces used a long‑range one‑way drone developed by Fire Point to destroy three Russian Tornado‑S multiple‑launch rocket systems and a support vehicle near Karakul in occupied Crimea. The strike, coordinated with Ukraine’s Security Service intelligence, eliminated artillery capable of...
Houthis Strike Israel Again; Iran to Allow “Nonhostile” Ships Through Strait of Hormuz; Houthis Endanger Bab El Mandab Chokepoint
The Houthi rebels fired a second wave of cruise missiles and drones at Israel within 24 hours, signaling deeper participation in the Israel‑Iran conflict. Iran announced that vessels from "non‑hostile" nations, including additional Pakistani‑flagged ships, would be allowed to transit...
Royal Navy Strengthens Mine Countermeasures Posture for Possible Return to the Gulf
RFA Lyme Bay was reactivated and sent to the Eastern Mediterranean, then returned to Gibraltar to be fitted with autonomous mine‑countermeasure systems. The ship will carry uncrewed surface and underwater vehicles, sonars and a modular Portable Operations Centre, turning her into a...
U.S. Army Boosts Ammo Production Support Efforts
The U.S. Army has issued a $44.6 million solicitation for engineering support to modernize its ammunition industrial base over the next five years. The multi‑award IDIQ contract will allow several firms to provide services such as production program management, performance analysis,...
Iranian Strike Wipes Out One of Last Sentry Aircraft
Iranian strike at Prince Sultan: photos and reports show E-3G 81-0005 is gone.... clean hit on the rear radar dome. . USAF loses one of its 16 remaining Sentries (average age 40+, no new builds in decades)
A Toothless Iran? Missile and Drone Strikes Show It Can Still Inflict Pain.
Iran has conducted a series of missile and drone attacks across the Middle East, striking a U.S. military base in Saudi Arabia, a port in Oman, Kuwait International Airport, and an aluminum plant in Abu Dhabi. The assaults injured dozens...
A-10 Pilot Tells Why Flying the Hog without Earplugs Is Like Attending the Biggest Heavy Metal Concert in the World
U.S. Air Force A‑10 pilots rely on the Attenuating Custom Communication Earpiece System (ACCES) to block cockpit noise that can exceed 125 decibels. Pilot Lynn Taylor recounted a rare lapse when he flew without the custom‑molded earplugs, describing the experience...
Strikes Continue as Houthis Join Iran War, US Troops Arrive
Attacks in the Middle East entered a fifth week as Israel struck Tehran and Saudi Arabia intercepted nearly a dozen drones, following Yemen‑based Houthi militants joining the Iran‑Israel war. The United States bolstered its presence with an additional 3,500 troops...
Is Su-57 Dead ? With 114 Rafales, AMCA & 6th-Gen Jet on Cards for IAF, Is It End of Road...
India has cleared roughly $25 billion in new defence proposals—including transport aircraft, S‑400 systems and drones—while earlier authorising $40 billion for additional Rafale fighters and P‑8I maritime patrol planes. Russia’s year‑long pitch to sell the Su‑57, complete with technology transfer and local...
Strait of Hormuz Traffic Plummets, Ships Go Dark
Visualizing the Strait of Hormuz shutdown using AIS tracking data. Wild to see the precipitous drop off in transits from 100's of vessels per day to a handful. The craziest part is zooming in to track a single Indian LPG tanker...
The War With Iran May Be Ushering in a New Nuclear Age
Donald Trump’s recent comments about aggressive action, including talk of seizing Greenland, have unsettled traditional allies. The remarks have sparked a wave of debate across NATO, with Germany and Poland reconsidering reliance on the U.S. nuclear umbrella. Both countries are...
UK and Germany Deepen Logistics Cooperation Talks
Senior military leaders from the United Kingdom and Germany met in South Cerney on March 24 to deepen logistics cooperation between the British 104 Theatre Sustainment Brigade and Germany’s Joint Support Command. The discussions focused on aligning fuel, ammunition, medical...
There’s a 63 Percent Chance the US Invades Iran by April 30
The Pentagon is weighing an additional deployment of up to 10,000 ground troops to the Middle East, joining roughly 5,000 Marines and 3,000 paratroopers already positioned near Iran. A Polymarket prediction market assigns a 63% probability that U.S. forces will...
One Month Into Iran War, only Hard Choices for Trump
One month after the U.S.-Israeli strike campaign against Iran, President Donald Trump is wrestling with two stark choices: negotiate a rapid exit or intensify military action that could drag the United States into a prolonged conflict. Iran’s missile and drone...
Why U.S. Special Operations Forces Will Focus More On The Cyber Domain
U.S. Special Operations Command (SOCOM) announced a strategic shift to prioritize cyber warfare, citing increasingly sophisticated adversary technology and a surge in gray‑zone threats. Leaders highlighted that special‑operations budgets have been constrained to roughly the cost of a single aircraft...
Iran Threatens to Use 'Gate of Tears' If US Deploys Ground Troops
Iran warned it will target the Bab al‑Mandeb Strait—dubbed the "Gate of Tears"—if the United States deploys ground troops, adding a potential second choke point to the Middle‑East conflict. The Iran‑aligned Houthi rebels have already demonstrated the ability to strike...
The Decision to Drop the Atomic Bomb
In August 1945 President Harry Truman authorized the use of two atomic bombs developed by the Manhattan Project, striking Hiroshima and Nagasaki and killing roughly 190,000 people. The bombings forced Japan’s unconditional surrender on August 14, ending World War II and...
DoD Ignoring Base Hardenings Leaves Aircraft Vulnerable
Hopefully there will FINALLY be a real wake up call here on hardened infrastructure for air bases. They (DoW leadership) have and are living in a fantasy land with this. It's maddening. It's easier to kill your most potent combat...
Trump’s Iran Strategy Fuels U.S. Semiconductor Advantage
Trumps hidden win in Iran war How US could gain in semiconductors race https://t.co/YD7keFvYid via @business_today
Embargo Iranian Oil; Cut Funding to War‑fueling Regimes
I support an embargo of Iranian oil. The reason is Russia. We never embargoed Russia. If we had, there's a good chance it wouldn't still be wreaking havoc in Ukraine. You just can't allow the life blood of these regimes...
NATO Praise Misplaced for Admirals Without Real Navy Experience
My top grievance at NATO conferences? MSM slobbering on European and Canadian admirals who walk around with 3 and 4 stars from nations that own a few small frigates. “Navy chief”, this guy never had a Navy. He managed a floating...
Iran Conflict Options Could Unfold Within Weeks
Top story on Page 1 of @washingtonpost today is this look at military options for the war with Iran. One person told me the objectives under consideration would probably take “weeks, not months” to complete. Another put the potential timeline at...
Discussing Iran War and Rubio’s G7 Visit on Bloomberg
About to be on @BloombergTV's "Bloomberg This Weekend" with @davidgura @EenaRuffini @LisaMateoTV to talk about the #IranWar and Secretary of State Marco Rubio's visit to France for the #G7
Claim Iran Pinpointed Missile Source Is False
This is dangerous fake news. We already know these people target families and friends. There is no possible way that Iran can pinpoint the exact ship a missile came from. Please community note and report this “UK journalist”
Iran Conflict Strains Britain's Defense Readiness
How the Iran war is scrambling Britain’s ability to defend itself - The Times and The Sunday Times https://t.co/hK88mSq7r5
IRGC Vows Forceful Response to Any US Ground Incursion
🚨 IRAN’S IRGC ISSUES STRONG WARNING The Islamic Revolutionary Guard Corps says it will respond with force to any U.S. ground operation in Iran. They claim their forces are fully prepared and ready. Tensions continue to rise sharply. https://t.co/t7lpHHdFhI
Iran Speaker Alleges US Feigns Peace, Plans Ground Attack
🚨 JUST IN Iran’s Parliament Speaker Mohammad Bagher Ghalibaf claims the U.S. is talking about peace negotiations in public while secretly preparing a ground attack on Iran. He accused Washington of playing both sides amid the ongoing conflict. Tensions remain extremely high. 👀
Iran Vows Retaliation over US, Israeli University Attacks
This would be retaliation for attacks on Iranian universities by the US and Israel. Please try to report ALL the facts.
Russian Column Dismisses Ukrainian Drones as Non‑innovative
That Russian mechanized column on the southern front also noted, for the record, the complete absence of genuine innovation in those Ukrainian drones made by LEGO-playing housewives. It was not available for further comment for some reason. https://t.co/B4JRyIkl7Y
Houthis Join Iran War, US Marines Deploy to Region
Yemen's Houthis enter Iran war with attacks on Israel, while US Marines arrive in region https://t.co/ypBFJcMnKr
Iran Unlikely to Prioritize AWACS Despite High Value
This guy doesn't think Iran is smart enough to prioritize targeting an AWACS. Very high value, low density asset and very easy to spot. Also a key asset that enables defense against their one-way attack munitions, in particular. It would...
Iranian Strike Allegedly Destroys Rare E‑3 Sentry, Exposing Capability Gaps
Images Purportedly Show E-3 Sentry Totally Destroyed From Iranian Strike A loss of an E-3 would be a major blow for the dwindling fleet of increasingly rickety airframes and would point to other capability and defensive gaps. Story: https://t.co/uVVYStW612