John Spencer

John Spencer

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Chair of Urban Warfare Studies; doctrine, TTPs, and equipment in urban operations.

Operation Sindoor Marks 21st‑Century’s Top Military Victory, Redefining Global Power
SocialMay 8, 2026

Operation Sindoor Marks 21st‑Century’s Top Military Victory, Redefining Global Power

"Operation Sindoor: 21st century’s most successful military campaign and the shifting axis of global power." @australian https://t.co/1mR4QTEpFm

By John Spencer
Hamas Hides IEDs in Everyday Spaces Everywhere
SocialMay 8, 2026

Hamas Hides IEDs in Everyday Spaces Everywhere

I've seen Hamas putting IEDs in every space one can imagine, behind bathroom mirrors, under food, built into the walls of homes, courtyards, tunnels.

By John Spencer
India’s TARA Dual‑Mode Guidance Boosts Indigenous Warfare
SocialMay 8, 2026

India’s TARA Dual‑Mode Guidance Boosts Indigenous Warfare

India's military is advancing rapidly. TARA appears to have similarities to the U.S. JDAM guidance kits but adds dual-mode emphasis (INS/GPS + SAL terminal), which can help in GPS-jammed environments. Make in India initiatives showed superior in action in Operation...

By John Spencer
Peace in Gaza Hinges on Tunnel Destruction, IDF Effort
SocialMay 8, 2026

Peace in Gaza Hinges on Tunnel Destruction, IDF Effort

Vital to any hope of peace in areas of Gaza is demilitarization, the destruction of the hundreds of miles of tunnels, the @IDF is doing that, one tunnel at a time.

By John Spencer
Erdogan and Qatar Calls Thwart Kurdish Plot to Topple Iran
SocialMay 8, 2026

Erdogan and Qatar Calls Thwart Kurdish Plot to Topple Iran

"This is when Iranians will take to the streets to topple the regime," @AmitSegal https://t.co/1jz3xFKHNr A Kurdish invasion comprising of thousands of fighters crossing from Iraq into Iran, intended to liberate the Kurdish regions, home to eight million people, including...

By John Spencer
Integrating Israel's Directed‑Energy Breakthroughs Into Future Air Defense
SocialMay 7, 2026

Integrating Israel's Directed‑Energy Breakthroughs Into Future Air Defense

The future is combining these massive breakthroughs of directed energy by Israel (our close, capable, willing ally) into an integrated air defense architecture that combines new and old systems.

By John Spencer
U.S. Navy Defends Strait of Hormuz Against Iranian Aggression
SocialMay 7, 2026

U.S. Navy Defends Strait of Hormuz Against Iranian Aggression

“U.S. forces intercepted unprovoked Iranian attacks and responded with self-defense strikes as U.S. Navy guided-missile destroyers transited the Strait of Hormuz to the Gulf of Oman”

By John Spencer
Russia Launders Disinformation Globally via X and Politicians
SocialMay 7, 2026

Russia Launders Disinformation Globally via X and Politicians

Great discussion on how Russia disinformation campaigns against Ukraine conduct international narrative laundering that gets picked up on X, social media and even western politicians. @Telegraph @DomNicholls https://t.co/0sYSJC5DDy

By John Spencer
Israel’s New Lebanese Security Zone Aims to Cripple Hezbollah
SocialMay 7, 2026

Israel’s New Lebanese Security Zone Aims to Cripple Hezbollah

"The Final Lebanon War?" @thedispatch by @DavidADaoud @JSchanzer A security zone in southern Lebanon could help Israel degrade Hezbollah faster than it can recover. https://t.co/tjFAMRED8g This reality helps explain why Israeli war planners appear to be gravitating toward an intermediate option of...

By John Spencer
Marine Corps Unprepared for Modern Urban Combat
SocialMay 7, 2026

Marine Corps Unprepared for Modern Urban Combat

"The Marine Corps Is No Longer Ready for Urban Warfare" @amspectator As someone that has been looking at urban warfare for over a decade and been a part of attempts to restart urban preparations in the Marine Corps (Project Metropolis...

By John Spencer
India Secured Air Superiority over Pakistan in 72 Hours
SocialMay 7, 2026

India Secured Air Superiority over Pakistan in 72 Hours

"‘In 72 hours, India had air superiority, Pakistan was unable to operate’: US military expert on Op Sindoor," @firstpost https://t.co/XbN54nXqcV

By John Spencer
U.S. Demands Full Iranian Enriched Uranium Hand‑over
SocialMay 7, 2026

U.S. Demands Full Iranian Enriched Uranium Hand‑over

"The Deal With the Iranian Regime," @WSJ @WSJopinion Editorial Board. The U.S. is demanding the handover of *all* of Iran's enriched nuclear material. Not merely the 60% and not merely the 20%. All of it--and that's a red line. @ElliotKaufman6...

By John Spencer
Air Superiority, Not Opening Hours, Defined Operation Sindoor
SocialMay 6, 2026

Air Superiority, Not Opening Hours, Defined Operation Sindoor

"Campaigns are decided by whether military actions achieve political objectives. In Operation Sindoor, the sequence of events makes that outcome clear: an initial tactical setback gave way to a campaign in which the Pakistan Air Force was increasingly outmatched, India...

By John Spencer
Iran's Threat Endangers Navigation Freedom and Nonproliferation
SocialMay 6, 2026

Iran's Threat Endangers Navigation Freedom and Nonproliferation

A lot of the domestic conversation about Iran focuses on whether the President wants a way out, fears escalation, or prices at gas pumps. I disagree. What is at stake is far bigger. Two pillars of global stability and American strength...

By John Spencer
Phalanx CIWS: Navy’s 4,500‑rpm “R2D2 of Death
SocialMay 5, 2026

Phalanx CIWS: Navy’s 4,500‑rpm “R2D2 of Death

"The R2D2 of Death," the U.S. Navy Phalanx CIWS. Fires at a rate of up to 4,500 rounds per minute (75 rounds per second) using a six-barreled M61 Vulcan cannon. Just one of the many U.S. systems in the Strait...

By John Spencer
Hezbollah: Terrorist Group, Not Lebanon's Government, Iran‑backed
SocialMay 5, 2026

Hezbollah: Terrorist Group, Not Lebanon's Government, Iran‑backed

Exactly. Hezbollah are terrorists that terrorize Israel and Lebanon. They are not the government or representatives of the Lebanon people. They are a direct arm of the Islamic Regime in Iran, allowed to arm, grow and thrive in Southern Lebanon....

By John Spencer
Draft Resolution Forces Iran to Halt Mining, Disclose Sea Mines
SocialMay 5, 2026

Draft Resolution Forces Iran to Halt Mining, Disclose Sea Mines

"The draft resolution requires Iran to cease attacks, mining, and tolling. It demands that Iran disclose the number and location of the sea mines it has laid and cooperate with efforts to remove them, while also supporting the establishment of...

By John Spencer
India’s Air Campaign Shifted From Early Losses to Dominance
SocialMay 5, 2026

India’s Air Campaign Shifted From Early Losses to Dominance

"It shows that early aircraft losses, which dominated international coverage, were only one part of a larger campaign that unfolded very differently over time and ended with the Pakistan Air Force outmatched, India establishing air superiority over significant portions of...

By John Spencer
US Deploys Massive Naval Force for Project Freedom
SocialMay 3, 2026

US Deploys Massive Naval Force for Project Freedom

Project Freedom . @CENTCOM - "U.S. military support to Project Freedom will include guided-missile destroyers, over 100 land and sea-based aircraft, multi-domain unmanned platforms, and 15,000 service members." History: During the late stages of the Iran–Iraq War, the United States launched...

By John Spencer
U.S. Overlooks Underground Protection Amid Counter‑UAS Spending
SocialMay 3, 2026

U.S. Overlooks Underground Protection Amid Counter‑UAS Spending

Fully agree with Steve Blank @sgblank here. The U.S. military has a long history but a modern sparse investment (time, resources, units, school, agency) in the underground in general. I've been a part of the conversation for over a decade...

By John Spencer
Drone‑Vulnerable Russian Troops Stall in Chasiv Yar
SocialMay 3, 2026

Drone‑Vulnerable Russian Troops Stall in Chasiv Yar

Great article. A year later and the Russians have still failed to capture Chasiv Yar. "In Chasiv Yar, the troop concentrations [Russsian] required to clear and hold a street are highly vulnerable to drone strikes." #urbanwarfare https://t.co/qr3PxGrMWM

By John Spencer
Bin Laden Killed Near Pakistan’s Military Academy, Not Remote.
SocialMay 1, 2026

Bin Laden Killed Near Pakistan’s Military Academy, Not Remote.

On this day in 2011, Osama bin Laden was found and killed in Abbottabad, Pakistan. Not in a remote tribal area, but less than a mile (.8, walking distance) from the Pakistan Military Academy, their version of West Point. A garrison...

By John Spencer
Break Larger Forces by Isolating Smaller Units
SocialMay 1, 2026

Break Larger Forces by Isolating Smaller Units

“I very rarely ever fight a brigade. I try to isolate a battalion, then fight a company, then a platoon. Piece by piece, you can take the entire formation apart.” @KTB_500 discussing the proven defensive tactics of #urbanwarfare on my...

By John Spencer
Opposing Forces Reveal Evolving Urban Defense Strategies
SocialMay 1, 2026

Opposing Forces Reveal Evolving Urban Defense Strategies

“Defending the City of Razish,” the latest episode of my @WarInstitute Urban Warfare Project podcast. I talk w/ @KTB_500 Commander Blackhorse Regiment, the world’s premier Opposing Force, about how they defend the city & the changing character of warfare. https://t.co/VhSxexK0Vz

By John Spencer
Russia’s Recent Ukraine Offensive Ends in Failure
SocialMay 1, 2026

Russia’s Recent Ukraine Offensive Ends in Failure

"Why Russia’s Latest Push in Ukraine Officially Fizzled," analysis by my good friend @ChuckPfarrer @KyivPost https://t.co/Hsyome3a5U

By John Spencer
Prevent Iran From Gaining Nuclear, Missile, Naval, Terror Capabilities
SocialMay 1, 2026

Prevent Iran From Gaining Nuclear, Missile, Naval, Terror Capabilities

Good. The strategic goals (as stated on Feb 28th) should be achieved. Iran can never have a nuclear weapon, cannot have a ballistic missile shield capable of reaching the United States to serve a cover to build a nuclear weapon,...

By John Spencer
Hamas Agrees to Disarm and Transfer Power
SocialApr 30, 2026

Hamas Agrees to Disarm and Transfer Power

“finalizing the process by which Hamas decommissions its weapons and allows for the transition to a new government…”

By John Spencer
From Volunteers to Elite: Ukraine’s Khartiia Corps Triumphs
SocialApr 30, 2026

From Volunteers to Elite: Ukraine’s Khartiia Corps Triumphs

Great article highlighting the Khartiia Corps of the Ukrainian National Guard. Started as volunteers, now impressive adaptive National Guard units incorporating western doctrine, personnel management, etc...and most importantly battlefield results. https://t.co/mVG2wMWyot

By John Spencer
US Funds UNIFIL While Hezbollah Expands Under Watch
SocialApr 30, 2026

US Funds UNIFIL While Hezbollah Expands Under Watch

The Hezbollah infrastructure is vast, it was also constructed under the observation of 10,000 UNIFIL troops stationed in Southern Lebanon each year since 2006. The budget for UNIFIL 1 July 2025 to 30 June 2026 was $552.8 million. Since 2006,...

By John Spencer
Restart Combat Ops, Maintain Iran Blockade; Leadership Lacks Resolve
SocialApr 29, 2026

Restart Combat Ops, Maintain Iran Blockade; Leadership Lacks Resolve

Restart combat operations while maintaning the blockade on Iran...War is an act of force (or threat of force) to compel our enemy to do our will. It appears the new leadership needs more compelling...or more new leaders...IMO

By John Spencer
Iran Poised to Become Fourth Global Superpower
SocialApr 29, 2026

Iran Poised to Become Fourth Global Superpower

"Like the Black Knight in Monty Python and the Holy Grail, all of these military victories are mere flesh wounds for the Islamic Republic. The real story is that when the fighting stops, Iran will emerge as the fourth major...

By John Spencer
Passive Drone Nets Essential for Layered Defense
SocialApr 29, 2026

Passive Drone Nets Essential for Layered Defense

Excellent article @WarInstitute "Missiles, Guns, Lasers . . . and Nets: The Case for Passive Drone Defenses." Appreciate the mention and nods to @thinkdefence great work. https://t.co/UYHac1ImXg Drones are a reality of modern warfare, and the United States has yet to...

By John Spencer
State Dept: PA Still Funds Palestinian Terrorists' Families
SocialApr 29, 2026

State Dept: PA Still Funds Palestinian Terrorists' Families

Pay to slay continues according to @StateDept “the PA continued payments and benefits to Palestinian terrorists and their families.”

By John Spencer
Diversifying Routes Neutralizes Iran's Strait of Hormuz Leverage
SocialApr 28, 2026

Diversifying Routes Neutralizes Iran's Strait of Hormuz Leverage

Game changer and what I wrote about in @washingtonpost about making the Strait of Hormuz irrelevant (or at least much less relevant). Iran's massive strategic blunder was playing that card - what @SecRubio called the economic nuclear weapon. Motivating all...

By John Spencer
Russian Shadow Fleet Still Breaches UK Waters Unchecked
SocialApr 28, 2026

Russian Shadow Fleet Still Breaches UK Waters Unchecked

"Russian shadow fleet [supporting their war against Ukraine] tankers spotted crossing British waters." https://t.co/XTVMXXcP56 The sanctioned vessels are among the latest to enter the UK's Exclusive Economic Zone following a government crackdown on Russia's shadow fleet. Sir Keir Starmer announced last month that Britain's commandos would...

By John Spencer
Lebanon Seeks Help to Eliminate Terror, Israel Demands Security
SocialApr 28, 2026

Lebanon Seeks Help to Eliminate Terror, Israel Demands Security

100% Lebanon needs assistance to rid itself of the terrorist state and army within their state. Israel needs security from daily attack from Hezbollah.

By John Spencer
IDF Destroys 14 Km of Hamas Tunnels in Gaza
SocialApr 28, 2026

IDF Destroys 14 Km of Hamas Tunnels in Gaza

"IDF says it demolished 14 kilometers of Hamas tunnels in northern Gaza." - All of Hamas tunnels must be destroyed and the strip demilitarized. https://t.co/ZVoMgswHoB

By John Spencer
Russia Shares US Warship Intel with Iran, May Supply Drones
SocialApr 27, 2026

Russia Shares US Warship Intel with Iran, May Supply Drones

"Moscow has provided intelligence to Tehran, including satellite imagery showing the locations of American warships and military personnel, according to U.S. officials. European officials have warned that Russia may be preparing to deliver advanced drones to Iran."

By John Spencer
Keane Urges Resumption of Full Military Operations, 25% Remaining
SocialApr 27, 2026

Keane Urges Resumption of Full Military Operations, 25% Remaining

“It’s time to go back to full military operations…finish what we started…about 25% more to go. General (ret) Jack Keane

By John Spencer
U.S. Military Opening Strait of Hormuz: Delusional Promise
SocialApr 27, 2026

U.S. Military Opening Strait of Hormuz: Delusional Promise

You have to admire the delusion...of course the U.S. military can open the Strait of Hormuz with military means and this promoted General would likely not be around to see it if the President directs that course of action.

By John Spencer
Iran’s Regime Fractured, IRGC Generals Seize Power
SocialApr 27, 2026

Iran’s Regime Fractured, IRGC Generals Seize Power

Who is in charge in Iran? The 12-day war in June 2025 and the 40-day campaign that followed fractured Iran’s regime. No one clearly in charge. No cohesive position. Power shifted toward a security-driven leadership dominated by IRGC Generals. Damaged...

By John Spencer
U.S. Prepares Unprecedented Large‑Scale Combat Ops Against Iran
SocialApr 24, 2026

U.S. Prepares Unprecedented Large‑Scale Combat Ops Against Iran

The U.S. military is prepared to conduct combat operations at a scale not yet seen in Iran. That includes operations to degrade/destroy all means Iran has (radar, communication, munitions, mines, boats, C2, etc) to influence the Strait of Hormuz, which...

By John Spencer
Pentagon Tests Ukrainian Drone Tactics, Revamps Counter‑drone Strategy
SocialApr 24, 2026

Pentagon Tests Ukrainian Drone Tactics, Revamps Counter‑drone Strategy

"The Pentagon replicated a Ukrainian-style drone attack in Florida. Now it’s changing its counter-drone strategy." https://t.co/XdZUAowAFT members of the 10th Special Forces Group launched a drone assault that mirrored the “spiderweb” attack that Ukraine had recently staged against Russia. In their mock assault,...

By John Spencer
Survival Lessons From the Edge: Preorder My New Book
SocialApr 23, 2026

Survival Lessons From the Edge: Preorder My New Book

Today is World Book Day, a reminder that ideas matter and that books still shape how we understand the world. My next book, "Twenty Times I Almost Died: Life Lessons from the Edge of Survival," comes out this August. It...

By John Spencer
Landpower Remains Crucial in Air‑Naval Operations
SocialApr 23, 2026

Landpower Remains Crucial in Air‑Naval Operations

“From Epic Fury to the Indo-Pacific: Lessons on Landpower in Joint Operations.” my latest @WarInstitute https://t.co/pLYbi3YJpI Operation Epic Fury has objectively been a remarkable display of deep strike, naval control, and the rapid suppression of Iranian capabilities with airstrikes and sea-launched...

By John Spencer
US Eyes Strait of Malacca as New Strategic Chokepoint
SocialApr 22, 2026

US Eyes Strait of Malacca as New Strategic Chokepoint

We talk a lot about a Taiwan scenario, but are we ready for a Strait of Malacca scenario? "A shipping route that carries roughly 40% of global trade and around 80% of China's imported oil, and is regarded as...

By John Spencer
Integrate Available Robotics Into Realistic Soldier Training
SocialApr 21, 2026

Integrate Available Robotics Into Realistic Soldier Training

I love to see soldiers conducting hard realistic training. I don't love seeing the lack of any robotics (fully available today) in tasks like the soldier in the open throwing the grappling hook to clear the wire obstacle. I also...

By John Spencer
Israel Safer Now as Regional Threats Stand Isolated
SocialApr 21, 2026

Israel Safer Now as Regional Threats Stand Isolated

"Is Israel Safer Today?" my latest @MirYamInstitute @BenAnthony1948 https://t.co/HvVeRcKC9c Is Israel safer today, from a national security standpoint, than it was on October 6, 2023? The answer is yes. Hezbollah is alone in Lebanon. Hamas is alone in Gaza. The Houthis are...

By John Spencer
1994 Project Sapphire Safely Removed 600 Kg Uranium From Kazakhstan
SocialApr 21, 2026

1994 Project Sapphire Safely Removed 600 Kg Uranium From Kazakhstan

Fascinating history: In 1994, the U.S. and Kazakhstan launched Project Sapphire to remove 600 kg (about 1,300 pounds) of weapons-grade uranium from the Ulba Metallurgical Plant in Ust-Kamenogorsk, Kazakhstan. U.S. DoD/DOE teams worked with Kazakh officials to secure and repackage...

By John Spencer