Know What's Happening in Defense

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.

Trump’s War Alliance With Israel Is Reshaping the Middle East. But It Carries Risks.
NewsMar 14, 2026

Trump’s War Alliance With Israel Is Reshaping the Middle East. But It Carries Risks.

President Trump has become the first U.S. leader to commit the United States to a full‑scale joint war with Israel, deploying coordinated air operations and shared intelligence. The partnership creates a combined force with unprecedented technological firepower, marking a stark...

By Wirecutter – Smart Home
IMetalX Emerges From Stealth with Technology to Model Resident Space Objects
NewsMar 13, 2026

IMetalX Emerges From Stealth with Technology to Model Resident Space Objects

iMetalX Inc. has emerged from stealth to announce a partnership with Psionic, integrating Psionic’s Space Navigation Doppler Lidar with iMetalX’s Asgard data‑simulation platform. The combined solution can generate high‑fidelity 3‑D models of resident space objects within minutes, aimed at autonomous...

By SpaceNews
Iran War Costs $2 B Daily, Claiming American Lives
SocialMar 13, 2026

Iran War Costs $2 B Daily, Claiming American Lives

This war with Iran is already costing nearly $2B a day and is continuing to take more American lives. Find my take on Iran in my latest substack, “This Time Is Different”: https://bit.ly/SimplyPutSubstack

By Andrew Elson (Ed Elson)
Canada’s New Arctic Strategy Mirrors Past Promises
SocialMar 13, 2026

Canada’s New Arctic Strategy Mirrors Past Promises

Canada Launches New Arctic Strategy That Looks A Lot Like the Old One Prof Rob Huebert, @UCalgary, says Trudeau and Harper promised many of the same things MarkJCarney is now promising. Who will deliver? #cdnpoli https://youtu.be/gGxKucgI0Rc

By Markham Hislop
U.S. Vows to Block Iran’s Attempt to Shut Down Strait of Hormuz
NewsMar 13, 2026

U.S. Vows to Block Iran’s Attempt to Shut Down Strait of Hormuz

The United States announced it will actively prevent Iran from closing the Strait of Hormuz, a vital artery for global oil shipments. Defense Secretary Pete Hegseth downplayed the disruption but affirmed U.S. readiness, while the Trump administration lifted select sanctions...

By The New York Times – Business
Microsoft: Windows 11 Users Can't Access C: Drive on some Samsung PCs
NewsMar 13, 2026

Microsoft: Windows 11 Users Can't Access C: Drive on some Samsung PCs

Microsoft is investigating a Windows 11 issue on Samsung laptops after the February 2026 security updates, where users lose access to the C:\ drive and cannot launch key applications. The error, “C:\ is not accessible – Access denied,” affects Galaxy Book 4 and...

By BleepingComputer
Navy Adjusts Rollout of Enterprise Safety Reporting System After Shutdown Delays
NewsMar 13, 2026

Navy Adjusts Rollout of Enterprise Safety Reporting System After Shutdown Delays

The U.S. Navy is re‑sequencing its rollout of the Risk Management Information (RMI) system after a 42‑day federal shutdown delayed development and data migration. A phased implementation will span from January through May, beginning with modules that require no historical...

By Federal News Network
Anthropic’s Forced Removal From the U.S. Government Is Threatening Critical AI Nuclear Safety Research
NewsMar 13, 2026

Anthropic’s Forced Removal From the U.S. Government Is Threatening Critical AI Nuclear Safety Research

Anthropic’s Claude is being pulled from U.S. federal use after President Trump’s direct order, halting a partnership that helped the National Nuclear Security Administration evaluate AI‑driven nuclear and radiological risks. The move threatens ongoing projects at the Department of Energy’s...

By Fast Company
Tech Bills of the Week: Improved Biological Data for Research; Section 702 Reform; and More
NewsMar 13, 2026

Tech Bills of the Week: Improved Biological Data for Research; Section 702 Reform; and More

Congress introduced a suite of bipartisan bills aimed at shaping America’s AI future. The AI‑Ready Bio‑Data Standards Act directs NIST to create standards for biological datasets used in machine‑learning research, while the Government Surveillance Reform Act tightens warrant requirements for...

By FCW (GovExec Technology)
Air Force Triples AEHF Terminal Contract Ceiling to Nearly $3 Billion
NewsMar 13, 2026

Air Force Triples AEHF Terminal Contract Ceiling to Nearly $3 Billion

RTX Corporation secured a $2.01 billion ceiling increase on its Advanced Extremely High Frequency (AEHF) terminal contract, lifting the total value to $2.97 billion—more than triple the original $960 million award. The indefinite‑delivery, indefinite‑quantity modification covers production, sustainment and support of all three...

By SatNews
Pentagon Policy Reforms Boost Innovation Base, Report Finds
NewsMar 13, 2026

Pentagon Policy Reforms Boost Innovation Base, Report Finds

The Ronald Reagan Institute’s National Security Innovation Base Report Card shows the Pentagon’s acquisition reform is gaining traction, lifting the unified technology enterprise grade to B‑ from D+. However, the defense modernization indicator remains stuck at a D, with program...

By GovernmentCIO Media & Research
Could Iran Actually Win the War?
BlogMar 13, 2026

Could Iran Actually Win the War?

Anthony Davis argues that the prevailing U.S. narrative of a swift, decisive victory over Iran masks a more complex reality. He contends that Iran’s asymmetric tactics, extensive proxy networks, and resilient domestic economy could allow it to achieve strategic objectives...

By Anthony Davis' Substack
US Warned of China Rare Earth Curbs if Section 301 Tariffs Expand
NewsMar 13, 2026

US Warned of China Rare Earth Curbs if Section 301 Tariffs Expand

The U.S. Trade Representative announced Section 301 investigations into 16 countries, including China, and separate probes into 60 economies over forced‑labor concerns. In response, Chinese officials warned they could reinstate rare‑earth export restrictions and halt soybean purchases if Washington proceeds with...

By Asia Times – Defense
Six U.S. Troops Killed in Aircraft Crash in Iraq
NewsMar 13, 2026

Six U.S. Troops Killed in Aircraft Crash in Iraq

Six U.S. service members died when a KC-135 refueling aircraft crashed in western Iraq, with investigators suspecting a mid‑air collision rather than hostile fire. The loss marks the fourth manned U.S. aircraft accident since Operation Epic Fury began, bringing the...

By Foreign Policy
Americans Reject Ground Troops in Any Iran War
SocialMar 13, 2026

Americans Reject Ground Troops in Any Iran War

americans do not want—and did not vote for—boots on the ground in a war with iran.

By Ian Bremmer
My Two Week Assessment Of War With Iran
BlogMar 13, 2026

My Two Week Assessment Of War With Iran

Two weeks into the United States‑Iran conflict, commentator Matt Lieberman argues the war will likely conclude within the administration’s original four‑to‑eight‑week window. He bases this forecast on political dynamics rather than a formal military analysis, emphasizing the influence of domestic...

By The Lieberman Files
Space Race in the 21st Century: Assessing China’s Challenge to American Leadership
BlogMar 13, 2026

Space Race in the 21st Century: Assessing China’s Challenge to American Leadership

SCSP’s new report highlights China’s transformation from a missile‑focused program into a full‑scale civil, commercial, and military space enterprise. Beijing now runs the Tiangong space station, operates global navigation and Earth‑observation constellations, and has achieved historic lunar and Mars robotic...

By Special Competitive Studies Project
CAVASSHIPS Podcast [Mar 13, ’26] Ep: 234 Deep Dive on Navy’s Mine Countermeasure Capabilities
BlogMar 13, 2026

CAVASSHIPS Podcast [Mar 13, ’26] Ep: 234 Deep Dive on Navy’s Mine Countermeasure Capabilities

The CAVASSHIPS podcast episode 234, released March 13, 2026, examined the U.S. Navy’s mine‑countermeasure (MCM) posture amid rising concerns that Iran could lay sea mines in the Strait of Hormuz. Hosts Christopher Cavas and Chris Servello interviewed retired Rear Admiral...

By Defense & Aerospace Report
Simultaneous Fire - Operational Updates on the Israeli Home Front
BlogMar 13, 2026

Simultaneous Fire - Operational Updates on the Israeli Home Front

An Iranian ballistic missile struck a home in Zarzir, injuring over 60 civilians, while Hezbollah launched nearly 200 rockets and 20 UAVs in a coordinated assault on Israel’s north. Israeli early‑warning teams and the IDF quickly intercepted many threats, neutralizing...

By Mission Brief (Official IDF Substack)
US Marines Deploy to Iran; Conflict and Economic Turmoil Persist
SocialMar 13, 2026

US Marines Deploy to Iran; Conflict and Economic Turmoil Persist

two weeks before us marine expeditionary force—some 2,500 marines—now being deployed to iran arrives in the mideast. this war (and global economic disruption) isn’t over soon.

By Ian Bremmer
BREAKING: Declassified Evidence Links U.S. Bioweapons Program To Lyme Disease Epidemic
BlogMar 13, 2026

BREAKING: Declassified Evidence Links U.S. Bioweapons Program To Lyme Disease Epidemic

Newly declassified documents reveal that the U.S. CIA and military conducted covert bioweapon experiments involving pathogen‑infected and radioactive ticks in the 1960s. Operations included dropping infected ticks on Cuban sugarcane workers in 1962 and releasing 282,800 radioactive lone‑star ticks across...

By Exposing The Darkness
Command Change in Ukraine’s 159th Mechanized Brigade
BlogMar 13, 2026

Command Change in Ukraine’s 159th Mechanized Brigade

Ukraine’s 159th Mechanized Brigade has appointed Colonel Serhiy Smolyak as its new commander, replacing founding commander Colonel Oleksandr Demchuk, who is reassigned within the Armed Forces. Smolyak, a National Army Academy graduate, has fought in Donbas since 2014, led a...

By MilitaryLand.net
Jared Keller on Laser Weapons | Meidas Defense
PodcastMar 13, 20260 min

Jared Keller on Laser Weapons | Meidas Defense

In this episode, host Marine Corps veteran Joe Plunzer talks with defense journalist Jared Keller about the evolution and current state of laser weapons. Keller explains how directed‑energy systems have moved from massive, lab‑bound prototypes to compact, vehicle‑mounted units capable...

By Meidas+
For You Lovely Paid Subscribers. Join Me in Drinking What You Drink or Smoking What You Smoke.
BlogMar 13, 2026

For You Lovely Paid Subscribers. Join Me in Drinking What You Drink or Smoking What You Smoke.

The Pentagon has ordered the 31st Marine Expeditionary Unit, about 2,200 Marines, and the USS Tripoli to the Middle East to neutralize Iran’s missile and naval threats to global shipping. The deployment signals a shift from a rapid‑response posture to...

By F*ck Around and Find Out
How Iran Blocking the Strait of Hormuz Affects the U.S.
BlogMar 13, 2026

How Iran Blocking the Strait of Hormuz Affects the U.S.

Iran’s recent closure of the Strait of Hormuz has disrupted one of the world’s most critical oil chokepoints, prompting a sharp rise in global crude prices. While the United States sources only a modest fraction of its oil from the...

By FactCheck.org
Romania’s Drone and Energy Plans with Ukraine Make Europe Stronger and More Secure
NewsMar 13, 2026

Romania’s Drone and Energy Plans with Ukraine Make Europe Stronger and More Secure

Romanian President Nicușor Dan and Ukrainian President Volodymyr Zelenskyy signed a Strategic Partnership Declaration in Bucharest, formalizing cooperation on defense, energy, and economic projects. The agreement includes a €200 million joint drone production program and expands Romania’s role as a NATO eastern‑flank...

By Atlantic Council – All Content
EXCLUSIVE: Cyprus Acts as a “Third Force” In EU Sanctions Extension Vote
NewsMar 13, 2026

EXCLUSIVE: Cyprus Acts as a “Third Force” In EU Sanctions Extension Vote

Cyprus, currently holding the EU presidency, has moved from a neutral position to actively opposing the removal of sanctions on Russian billionaire Alisher Usmanov, citing historic disputes with Turkey. The shift follows a letter from Turkish President Recep Erdoğan to Slovak...

By bne IntelliNews
Delayed US Naval Escorts Spark Doubts over Hormuz Strategy
SocialMar 13, 2026

Delayed US Naval Escorts Spark Doubts over Hormuz Strategy

It is 5,000 miles from Japan to the Strait of Hormuz. Even if the ships left early and conduct a high transit speed that is 10 to 14 days to get to the scene. If this is going...

By Sal Mercogliano
Fake PoCs, Misunderstood Risks Cause Cisco SD-WAN Chaos
NewsMar 13, 2026

Fake PoCs, Misunderstood Risks Cause Cisco SD-WAN Chaos

Cisco disclosed six new SD‑WAN Manager vulnerabilities, with CVE‑2026‑20127 receiving a perfect 10‑score and confirmed zero‑day exploitation for three years. Researchers warn that the focus on this high‑profile bug has eclipsed CVE‑2026‑20133, a 7.5‑score information‑disclosure flaw that can expose admin...

By Dark Reading
Lawmakers Seek Watchdog Probe Into Former Acting CISA Chief’s Polygraph Failures
NewsMar 13, 2026

Lawmakers Seek Watchdog Probe Into Former Acting CISA Chief’s Polygraph Failures

A bipartisan group of House lawmakers has asked the Department of Homeland Security and the Office of the Director of National Intelligence inspectors general to investigate former acting CISA director Madhu Gottumukkala’s failure of two counter‑intelligence polygraph examinations and the...

By FCW (GovExec Technology)
Iran's Real Power: Controlling the Strait of Hormuz
SocialMar 13, 2026

Iran's Real Power: Controlling the Strait of Hormuz

My take on Iran's biggest advantage in the war: "The US & Israel are making mincemeat out of Iran, but Iranians still hold their key card: the Strait of Hormuz, which remains shut down. A great friend in Dubai said he...

By Steve Hanke
After Ukraine, FPV Drones Could Take on Arctic Warfare
NewsMar 13, 2026

After Ukraine, FPV Drones Could Take on Arctic Warfare

First‑person‑view (FPV) drones that proved decisive in Ukraine are now being field‑tested in the Arctic by Norway and the United States during NATO’s Cold Response 2026 exercise. Norway awarded a $9.4 million contract for the American‑made Skydio X10D, equipping its long‑range...

By Defense News – Unmanned
As Iran War Rages, Washington Opens a New Front in Ecuador
NewsMar 13, 2026

As Iran War Rages, Washington Opens a New Front in Ecuador

Amid the escalating war in Iran, the United States has launched a joint security initiative with Ecuador, providing training, intelligence, and equipment to President Daniel Noboa’s forces. The operation backs Noboa’s aggressive crackdown on protestors and criminal gangs, even as...

By Center for Economic and Policy Research (CEPR)
Canadian Science Policy Centre: Call for Editorials, March and April 2026 Panels and More
BlogMar 13, 2026

Canadian Science Policy Centre: Call for Editorials, March and April 2026 Panels and More

The Canadian Science Policy Centre (CSPC) announced a call for editorials on the government’s new Defence Industrial Strategy, which aims to boost defence‑related R&D spending by roughly 85 % over the next ten years, with submissions due April 15, 2026. Simultaneously, CSPC opened...

By FrogHeart
US Deploys AI for Warfare, Iran Becomes Test Ground
SocialMar 13, 2026

US Deploys AI for Warfare, Iran Becomes Test Ground

The US turned to Claude and other artificial intelligence systems to help shape its vision for AI warfare. In Iran that strategy is unfolding in real time An excerpt from the coming book Project Maven shows how the US enlisted...

By Paul Triolo
White House Admits Plan: Bomb Kharg Island Amid Hormuz Closure
SocialMar 13, 2026

White House Admits Plan: Bomb Kharg Island Amid Hormuz Closure

OK, I suppose we should admit the White House was right, and, all along, they did have a plan to deal with the closure of the Strait of Hormuz. Bomb Kharg Island.

By Javier Blas
Trump Claims Indefinite Iran War, Says U.S. Ahead
SocialMar 13, 2026

Trump Claims Indefinite Iran War, Says U.S. Ahead

Trump's timeline for the #Iran war: "As long as is necessary..." "Militarily, we're WAY ahead of schedule..."

By Eric Martin
Trump Claims He Ordered Strikes on Iran's Oil Hub
SocialMar 13, 2026

Trump Claims He Ordered Strikes on Iran's Oil Hub

Trump says he has directed strikes on Iran's Kharg Island, an oil hub. There has been widespread speculation it could be targeted for strikes, U.S. seizure or both. https://t.co/qO3H1olaiI

By Dan Lamothe
Proposed Military Capture of Tunbs Islands for UAE
SocialMar 13, 2026

Proposed Military Capture of Tunbs Islands for UAE

For the record, I suggested sending troops to capture the Greater and Lesser Tunbs Islands and Abu Musa Island in the Strait of Hormuz and then turn them over to the UAE — on March 5! @ACGlobalEnergy #oil #iran

By Ellen Wald
Iran's Deterrence Strategy: Targeting Regional Energy Infrastructure
SocialMar 13, 2026

Iran's Deterrence Strategy: Targeting Regional Energy Infrastructure

My take on Iran’s war strategy in @RFERL: “Iran’s strategy is deterrence. It cannot match US-Israeli firepower, but it can raise the cost of the war. That means retaliatory strikes on energy infrastructure and other economic targets across the region.” https://t.co/w5DylP6XRN

By Steve Hanke
Merz Warns of Endless War without Unified Strategy
SocialMar 13, 2026

Merz Warns of Endless War without Unified Strategy

German Chancellor Merz on the Israeli-US war against Iran: “What concerns us most is that there is clearly no common plan for bringing this war to a swift and convincing conclusion. We have no interest in an endless war.” MERZ SOUNDS LIKE...

By Steve Hanke
US Maritime Crisis Spurs Bipartisan Push for Lean Dual‑Use Ships
SocialMar 13, 2026

US Maritime Crisis Spurs Bipartisan Push for Lean Dual‑Use Ships

1/ The US maritime base is in crisis A new Whitehouse Maritime Action Plan (MAP) highlights a rare bipartisan truth: rebuilding shipbuilding capacity is natsec priority. the core debate? expensive battleships vs. lean fast dual-use vessels https://t.co/ornn1pqNVC

By Josh Wolfe
Analysts Favor Deterrence Over Costly, Unpredictable War
SocialMar 13, 2026

Analysts Favor Deterrence Over Costly, Unpredictable War

Generally speaking, serious analysts are sober about the cost, unpredictability, and hard-to-anticipate second-order effects of military action, as well as the relatively successful track record of deterrence in mitigating risks from proliferation.

By Jeffrey Lewis
Epic Fury's Iran Air Campaign: Likely Success?
SocialMar 13, 2026

Epic Fury's Iran Air Campaign: Likely Success?

"Does this air campaign have any chance of success?" ED HUNT assesses the strategic goals of #EpicFury against #Iran compared to other conflicts https://t.co/I4gSRmWewx https://t.co/1Pobq86Dk2

By Tim Robinson
FBI Warns of Potential Ship‑launched Armed Drones
SocialMar 13, 2026

FBI Warns of Potential Ship‑launched Armed Drones

Drone Attacks On U.S. From The Sea Are A Known Possibility An FBI alert about the possibility of armed drones launched from a ship reflects real dangers even if the immediate threat is not credible. https://t.co/CbwY1nAmJR

By Tyler Rogoway
Deploying Marines on a Burning Island Near Iran Is Foolish
SocialMar 13, 2026

Deploying Marines on a Burning Island Near Iran Is Foolish

"What if we put 2500 Marines on a flammable island really close to Iran? Nothing bad, right?"

By Nathan Strang
Absurd “Shoes vs Boots” Line Exposes Trump’s Rhetoric
SocialMar 13, 2026

Absurd “Shoes vs Boots” Line Exposes Trump’s Rhetoric

“We need shoes on the ground in Iran, not boots on the ground.” Says Trump 1.0 Secretary of Defense It would take me a week to construct a take that dumb. How does he do it? https://t.co/ctsBNu0SbD

By John Konrad
Ukraine Bans Export of Shahed Interceptor Drones
SocialMar 13, 2026

Ukraine Bans Export of Shahed Interceptor Drones

Ukrainian Companies Prohibited From Exporting Shahed Interceptor Drones Waves of Iranian Shahed drone attacks across the Middle East have spurred widespread interest in Ukrainian interceptors. https://t.co/HIO47E6I2c

By Tyler Rogoway
Sensofusion Unveils Portable Drone Factory in Shipping Container
SocialMar 13, 2026

Sensofusion Unveils Portable Drone Factory in Shipping Container

Sensofusion has today announced the Tactical Drone Factory: a fully self-contained interceptor drone manufacturing facility built inside a standard shipping container. Shipping worldwide in May (export restrictions apply). https://t.co/h8FszYdeAo https://t.co/RgZ7xuuGiT

By Mikko Hypponen