Phillips OBrien
@phillipspobrien.bsky.social
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Professor of Strategic Studies, Author, Lover of Sicily. Purveyor of a “righteous-but-rational vibe”
pinned post!
Hi All, my latest book, War and Power: Who Wins Wars and Why, is being released in North America in two weeks. The Publisher, Basic Books/Hatchette, has just released a discount code for 20% if you buy through them. Code is WAR&POWER (not case sensitive).
www.publicaffairsbooks.com/titles/phill...
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War and Power
A bold, revisionist study of modern warfare, showing that military victory is rooted not in large armies and decisive battles, but in the full spectrum of ec...
https://www.publicaffairsbooks.com/titles/phillips-payson-obrien/war-and-power/9781541606975/
7 months ago
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The ceasefire story is fascinating. Turns out that Trump seems to have pleaded with Zelensky on Putin’s behalf. The Ukrainians said that they agreed on the condition that prisoners are returned and the ceasefire covers only the parade area.
kyivindependent.com/breaking-tru...
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Breaking: Trump announces 3-day ceasefire between Russia and Ukraine
"The Celebration in Russia is for Victory Day, but, likewise, in Ukraine, because they were also a big part and factor of World War II. This Ceasefire will include a suspension of all kinetic activity...
https://kyivindependent.com/breaking-trump-announces-3-day-ceasefire-between-russia-and-ukraine/
about 5 hours ago
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Ukraine is now taking the war to Russia. It is as clear a sign as any that Europe together can protect itself in the future without the USA.
about 8 hours ago
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Lord, Trump is literally re writing US history to adopt Putin’s narrative. The war ended for the USA many months later.
about 9 hours ago
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Benjamin Husstad-Nedberg
about 19 hours ago
Brilliant diplomatic play by
#Zelenskyj
:
#Putin
was tricked into breaking his proposed ceasefire, and demonstrated to the whole world that
#Russia
only wants war, by attacking a kindergarten.
#Trump
was tricked into showing everyone, that the
#US
no longer has any leverage in the war.
#Ukraine
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🔬godhatesyeast🔬
about 20 hours ago
doesn’t every military roll out 85-year-old tanks on parade
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Just sent out this post. The maneuvering around the Moscow "victory" day parade set for tomorrow reveals a great deal about the state of the war. Putin is desperate to protect himself, but the Ukrainians have maneuvered him into a trap. They may take advantage.
open.substack.com/pub/phillips...
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Watch Out For Tomorrow
Plans For The Russian Victory Day Parade Has Revealed Many Things And More Might Be About To Happen
https://open.substack.com/pub/phillipspobrien/p/watch-out-for-tomorrow?r=1tgexa&utm_medium=ios
about 20 hours ago
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Hopium Chronicles
2 days ago
@phillipspobrien.bsky.social
on Ukraine, Iran, and "Taking the Initiative" in war. "[President Zelenskyy] has actually wrong-footed the administration. The administration doesn't know how to deal with him now. They're used to people who lie, who suck up to Trump. And Zelenskyy just stopped that."
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The Papal statement after meeting with Rubio was a significant rebuke to Trump and the US administration. No niceties, little agreement and the acknowledgment of strong differences of opinion. US standing in the world has arguably never been so low.
www.thedailybeast.com/vatican-humi...
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Vatican Humiliates Rubio After His Tense Summit With Pope
America’s top diplomat was literally offered an olive branch as a pointed gift by the pope.
https://www.thedailybeast.com/vatican-humiliates-rubio-after-his-tense-summit-with-pope/
1 day ago
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John Hudson
1 day ago
SCOOP: A confidential new CIA analysis delivered to policymakers this week concludes that Iran can survive the U.S. naval blockade for at least 3 to 4 months before facing more severe economic hardship, a finding that contradicts those hailing an imminent collapse 🧵
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The White House has always pretended peace is closer than it has been--however if this is true, Trump is throwing in the towel. Its back to Obama's JCPOA, only with less control over Iran's nuclear program.
www.axios.com/2026/05/06/i...
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Exclusive: U.S. and Iran closing in on one-page memo to end war, officials say
Nothing has been agreed, but sources say this is the closest the parties have come to an agreement.
https://www.axios.com/2026/05/06/iran-us-deal-one-page-memo
3 days ago
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Paul Rogers
3 days ago
“It’s like an orange version of Groundhog Day.”
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Hi All, just sent out this free midweek update. We have a fascinating contrast. For all the talk, nothing has materially changed in the US-Iran War since April 1. Trump remains as stuck as he was then.
open.substack.com/pub/phillips...
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Midweek Update #9: One Thing Changes And It Is Not What You Think
Trump Guides And Then Does Not, But Nothing Ever Changed
https://open.substack.com/pub/phillipspobrien/p/midweek-update-9-one-thing-changes?r=1tgexa&utm_medium=ios
3 days ago
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It is a brutal example of the mathematics of war, but also a crucial one. The battlefield is getting more dangerous for human beings. The Russians are paying the price while, thankfully, the Ukrainians are not.
3 days ago
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The USA has not only ceased being leader of the free world, it has ceased being a member of the free world. It betrays democratic allies and supports expansionist dictatorships. The only question Americans need to ask themselves is do they want this to continue?
4 days ago
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Grim but important new story in
@kyivindependent.com
The realities of this war is that soldiers, particularly Russian ones, seem to have a declining chance of evacuation if wounded. It means that dying is now the most likely result of getting hit.
kyivindependent.com/russian-loss...
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Why more Russians are reportedly dying in Ukraine than ever before
Russian soldiers are now dying at an exceptionally high rate in Ukraine, according to Ukrainian officials, in what could mark one of the deadliest killed-to-wounded ratios seen in modern warfare. Pre...
https://kyivindependent.com/russian-losses-in-ukraine-may-have-set-a-grim-new-record/
4 days ago
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Б'єрнберт
5 days ago
Insightful update from Phillips. Highly recommended reflections on the “cult of the offensive.” Offensives may win some battles, but can lead to bleeding out like russia is doing.
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The idea that Iran’s oil wells would “explode in three days” or that Trump’s shipping blockade would quickly damage the Iranian economy so much that it would collapse was another sign of US analytical failure along the lines of “Kyiv will fall in a week!”
4 days ago
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Just sent out this piece. First part is a free one on just want Trump’s announcement of being a guide to shipping in the Strait might mean. It’s certainly not clear. Then a discussion of what taking the initiative means in strategy.
open.substack.com/pub/phillips...
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Taking The "Initiative" In War Might Not Be What You Have Been Told
Also: The US Will "Guide" Vessels In The Strait--What That Might Mean
https://open.substack.com/pub/phillipspobrien/p/taking-the-initiative-in-war-might?r=1tgexa&utm_medium=ios
5 days ago
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Benjamin Husstad-Nedberg
6 days ago
1/3🧵
#Russia
#Europe
#US
Excerpts from OBrien's weekly👇
#Ukraine
is taking back the strategic initiative i the war, both in the air war... ⤵️⤵️
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Б'єрнберт
6 days ago
Great analysis from Phil. I will add one picture give nuance to Phil’s argument “Once again, we need to see if Ukraine can keep it up, but if this does represent a consistent change, more and more the initiative in the long-range strike war will go to Ukraine.”
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Hi All, Just sent out my free weekend update. With recent developments clear, it is safe to ask this question. Is Ukraine taking the initiative from Russia in the ranged and land wars? The Ukrainians did in the sea war and now seem to be doing it in other domains.
open.substack.com/pub/phillips...
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Weekend Update #183: Ukraine Taking The Initiative?
Long Range and Medium Strike; The Land War; The US Is Now Boasting About Not Helping
https://open.substack.com/pub/phillipspobrien/p/weekend-update-183-ukraine-taking?r=1tgexa&utm_campaign=post-expanded-share&utm_medium=web
6 days ago
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The US is an unreliable and deceitful ally now, and is doing its best to help Putin’s dictatorship commit unspeakable war crimes against a European democracy. It is a good thing if the US pulls out of Europe and stops pretending.
6 days ago
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This is why the EU and the UK were foolish to accept unequal trade deals with Trump. Any deal he signs is meaningless.
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7 days ago
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Marcel Plichta
7 days ago
"Ukraine’s OWA drone campaign shows that key assumptions about the strategic impact of drones – that they are too vulnerable and too small to impose costs at the strategic level – do not apply across the entire spectrum of uncrewed systems."
www.tandfonline.com/doi/full/10....
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More cards are incoming.
7 days ago
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Hi all, just sent out this post. If you watch closely, the Trump administration has narrowed down its victory conditions over Iran to only one point. Trump wants out, and maybe a deal gets done sooner than people think. It’s not likely but it is possible.
open.substack.com/pub/phillips...
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The US-Iran War Could Be Over Sooner Than You Think
There really is only one victory condition left
https://open.substack.com/pub/phillipspobrien/p/the-us-iran-war-could-be-over-sooner?r=1tgexa&utm_medium=ios
8 days ago
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General Boles
8 days ago
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Benjamin Husstad-Nedberg
8 days ago
This is not a winning strategy for the midterms. Will the US blink first?
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There is alot more to this story than meets the eye. I have heard from a GOP source with excellent knowledge of the state of play at the high reaches of the party that the idea of Don Jr going for the nomination over Vance or Rubio is not some far fetched development.
8 days ago
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Something very worrying is going on. The Pentagon is now lying to Congress on important details. It has become an arm of Administration propaganda against the legislative branch.
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9 days ago
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He lives in Putin’s universe and accepts everything Putin tells him as truth.
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9 days ago
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The amazing thing is that this is actually how he sees himself.
9 days ago
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Just released my free midweek update on the US-Iran war. The double blockade has unleashed a double race against time. The Trump administration has to hope to damage the Iranian oil system and economy before the political impact to itself becomes irreparable.
open.substack.com/pub/phillips...
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Midweek Update #8: Two Races Against Time
The Iranian Race, The US Race; The Three Narratives
https://open.substack.com/pub/phillipspobrien/p/midweek-update-8-two-races-against?r=1tgexa&utm_medium=ios
10 days ago
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Ukraine is putting relentless pressure on Israel now. The Netanyahu government has made a catastrophic error by siding with Putin's dictatorial government.
11 days ago
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Turin Horse
12 days ago
כן
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Hi All, Just sent out. On Saturday we saw Trump blink in his confrontation with Iran, though too often the reporting was that he called off talks. There is no evidence to support that, and actually what we see is the US being placed in a strategic box. Here is why.
open.substack.com/pub/phillips...
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Trump Blinked
What It Could Mean
https://open.substack.com/pub/phillipspobrien/p/trump-blinked?r=1tgexa&utm_medium=ios
12 days ago
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Neil Goodrich
12 days ago
Very much worth a read on Ukraine, Europe and military innovation.
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Rose Mason
12 days ago
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Bunkerhunter
13 days ago
„Europa investiert in die Ukraine und die Ukraine stärkt die europäische Sicherheit. Angesichts des wachsenden Bewusstseins, dass die USA in Bezug auf die europäische Sicherheit vorerst ein Scheitern sind, muss diese Freundschaft auf beiden Seiten wachsen.“ Besser spät als nie. 🤷♂️
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This is alot of hot air from Trump. He won’t pull out of NATO because he wants leverage over Europe and for Europeans to buy US weapons and not build up Europe’s defense capacity. Why? Well that is in Putin’s interest
12 days ago
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One of the greatest cons ever played by MAGA/Trump was that they were going to get tough on China. Here is Trump defending the Chinese helping the Iranians fight the US military: he despises the troops serving under his command.
12 days ago
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Arie Sonneveld
13 days ago
"Europe is investing in Ukraine and Ukraine is bolstering European security. With a growing awareness that the USA is for now a busted-flush on European security, this friendship will have to grow on both sides." And more about the strategic air war and the machine war.
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My free weekend update is out. More and more Ukraine and European states are being drawn together, as the US is both unreliable and too supportive of Putin's dictatorship. The fate of this "beautiful friendship" will determine the fate of Europe's future security.
open.substack.com/pub/phillips...
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Weekend Update #182: A Beautiful Friendship: Europe And Ukraine Are Getting Their Act Together
A Revealing Week In the Air War; The Machine War, More Ukrainian Thoughts
https://open.substack.com/pub/phillipspobrien/p/weekend-update-182-a-beautiful-friendship?r=1tgexa&utm_medium=ios
13 days ago
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Nicholas Grossman
13 days ago
What Trump broke with the Iran war can't be fixed. He got the US into a bad strategic position he can't get out of. Many are deeply invested in not acknowledging that. Because it means they've been wrong. Who knows how long it'll take for reality to fully hit. But when it does, it'll be a doozy.
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The Trump administration is flailing. If they hold "all the cards" the Iranians would be desperate to meet and talk--but the Iranians seem to be stringing this out.
13 days ago
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Alex Finley
15 days ago
Trump is threatening Spain over its refusal to allow air bases be used for the Iran war. Meanwhile, Russia provides Iran with targeting info and intelligence to kill Americans. Trump just invited Putin to the G20.
www.reuters.com/world/pentag...
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Exclusive: Pentagon email floats suspending Spain from NATO, other steps over Iran rift, source says
The internal email outlines options for the United States to punish NATO allies it believes failed to support U.S. operations in the war with Iran, including reviewing the U.S. position on Britain's ...
https://www.reuters.com/world/pentagon-email-floats-suspending-spain-nato-other-steps-over-iran-rift-source-2026-04-24/
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If this happens, European states would be better with the USA out of NATO than within it.
15 days ago
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In my piece from the other day I mentioned that the oil markets seemed surprisingly optimistic. Just put together this longer piece on that phenomenon. I wonder if overall we have discounted the possibility of a real economic crisis occurring?
substack.com/@phillipspob...
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Phillips P. OBrien (@phillipspobrien)
In my piece from the other day I mentioned that the oil markets seemed surprisingly optimistic. Just put together this longer piece on that phenomenon. I wonder if overall we have discounted the possi...
https://substack.com/@phillipspobrien/note/c-248011647?r=1tgexa&utm_medium=ios&utm_source=notes-share-action
15 days ago
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The US government is now one of if not the most corrupt government on earth.
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15 days ago
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Russian Foreign Ministry has officially stated that Trump/USA has invited Putin to go to the G20 summit. The US is working overtime to rehabilitate the Russian dictator and European states need to take this into consideration.
kyivindependent.com/russia-claim...
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Russia says it received invitation to G20 Miami summit at 'highest level'
Moscow will confirm who will represent it at the event closer to the date, Russia's Deputy Foreign Minister Alexander Pankin told journalists at the U.N. Headquarters.
https://kyivindependent.com/russia-claims-receiving-invitation-to-g20-summit-in-miami/
15 days ago
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