Peter Schrijver

Peter Schrijver

@psguu.bsky.social

PhD student Faculty Military Sciences Breda | Leiden University | interests: influence, intelligence, drones | BA History Utrecht, MA Military Strategic Studies Breda Latest article: https://www.tandfonline.com/doi/full/10.1080/02684527.2026.2669810

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Peter Schrijver
@psguu.bsky.social

1/ New in @intnatsecjournal.bsky.social 'From shadows to screens: digital outreach strategies in intelligence and law enforcement'. This research took my co-author and me for fieldwork from Apeldoorn in the Netherlands to Kyiv in Ukraine. www.tandfonline.com/doi/full/10....

tandfonline.comFrom shadows to screens: digital outreach strategies in intelligence and law enforcementA growing number of intelligence and law enforcement organisations are augmenting traditional tradecraft with digital outreach to engage isolated or distrustful populations. This article examines t...
Peter Schrijver
@psguu.bsky.social

Interessant artikel. Massa niet per se noodzakelijk om toch grote effecten te bereiken. Enkele soldaten die goed in de verbinding zitten, kunnen een disproportioneel effect bewerkstelligen door doelen te lokaliseren voor kamikazedrones en verschillende types artillerie. jamestown.org/lessons-lear...

jamestown.orgLessons Learned From Russia’s War Against Ukraine: Russian Military Adaptation and Defense Implications for Baltic States - JamestownExecutive Summary: Introduction: A New Operational Environment Russia’s February 2022 full-scale invasion of Ukraine has become both the largest armed conflict in Europe since World War II and the mos...
Peter Schrijver
@psguu.bsky.social

Russia’s latest model of Shaheds, known as the Geran-4, have jet engines and travel at speeds that the Apache cannot match. “We can only go so fast in a helicopter, so you put a jet engine on a drone, that’s kind of out of the ballpark for us.” www.nytimes.com/2026/10/26/w...

nytimes.comU.S. Army Trains Apache Helicopter Pilots to Shoot Drones (Gift Article)The U.S. Army is training Apache pilots to shoot down drones as militaries around the world assess the efficacy of 20th-century technologies in a new era.
Peter Schrijver
@psguu.bsky.social

Deception: producing a false narrative (decoys, fake maneuvers, misleading intelligence). ‘Beyond and throughout the electromagnetic spectrum battlespace, the ultimate battleground remains the adversary’s cognitive system, and deception exists to manipulate it’. warontherocks.com/deception-in...

warontherocks.comDeception in Mass Autonomous Warfare“he exigencies of desperate survival do stimulate wise leaders to seek such unorthodox solutions.” —Barton Whaley, Stratagem On the night of Jan. 5, 2025,
Peter Schrijver
@psguu.bsky.social

‘Defending Kyiv requires a layered system of air defenses, from sophisticated missile systems and fighter jets, to mobile machine-gun and interceptor-drone units’. kyivindependent.com/with-kyivs-a...

kyivindependent.comWith Kyiv’s air defense crews as they race to keep up with Russia’s jet-powered dronesIn a cornfield north of Kyiv, pieces of blackened metal are scattered among rows of dried stalks. They are all that remains of a Russian Geran attack drone, shot down by Ukrainian fighter jets as it f...

Peter Schrijver reposted

Peter Schrijver
@psguu.bsky.social

Privaat initiatief: ‘The service draws on regional Telegram channels that post where drones and missiles are flying over their own oblasts. It cross-checks those posts to estimate what each target is, roughly where it is, and where it is heading’. euromaidanpress.com/2026/10/20/i...

euromaidanpress.comIs a Russian drone near you right now? Ukrainians have developed maps that track drones in near real time - Euromaidan PressSome drones never appear on it at all, so its makers say an empty screen is no proof of safety.
Peter Schrijver
@psguu.bsky.social

NZZ: ‘Die🇺🇦 Armee verlegt den Bewegungskrieg in den Untergrund Soldaten des Chartia-Korps kämpfen sich bei Kupjansk erfolgreich durch eine Gasleitung hinter die russischen Linien durch. Die Erfolgsmeldung stützt das militärische Selbstbewusstsein der 🇺🇦 in einem kritischen Moment’. archive.ph/pM5AT

Peter Schrijver
@psguu.bsky.social

Via de Oostzee.⤵️

Tochnyi@tochnyi.info

Russian tankers have left the port of Primorsk, in the St. Petersburg region, carrying diesel bound for the United States. Three tankers have reportedly been announced for the deliveries.

Peter Schrijver
@psguu.bsky.social

Privaat initiatief: ‘The service draws on regional Telegram channels that post where drones and missiles are flying over their own oblasts. It cross-checks those posts to estimate what each target is, roughly where it is, and where it is heading’. euromaidanpress.com/2026/10/20/i...

euromaidanpress.comIs a Russian drone near you right now? Ukrainians have developed maps that track drones in near real time - Euromaidan PressSome drones never appear on it at all, so its makers say an empty screen is no proof of safety.
Peter Schrijver
@psguu.bsky.social

Bouwt voort op Telegramkanalen die de luchtdreiging per regio of zelfs wijk afgeven. Relevant om niet bij ieder luchtalarm gelijk dekking te hoeven zoeken.⤵️

Peter Schrijver
@psguu.bsky.social

Niet perfect, maar een mogelijkheid om het dagelijks leven deels door te laten gaan. Zie ook dit artikel over populariteit van 🇺🇦 Telegramkanalen die luchtdreiging bijhouden. Patriculiere initiatieven zijn populairder dan het kanaal van de luchtmacht. link.springer.com/article/10.1...

link.springer.comWhen the drone is coming to you: analysis of Telegram channels that monitor air threats in Ukraine during wartime - Digital WarEvery time Russian aviation is in the air, people in Ukraine know about it from alarm systems—analogue sirens on the streets and mobile apps. Nevertheless, to learn more details about threats, people ...
Peter Schrijver
@psguu.bsky.social

Hoe het ooit begon tussen ICEYE en de Oekraïense militaire inlichtingendienst: the people’s satellite 🛰️ 🦉 ‘KYIV — A crowd-funded 🇺🇦 satellite is allowing the country's military intelligence to watch Russians from space, spot their troops and destroy their weapons’. www.politico.eu/article/ukra...

politico.euUkraine’s ‘people’s satellite’ wreaks havoc on Russian targetsUkrainian military intelligence has been using the satellite to target Russian troops, weapons and logistics.
Peter Schrijver
@psguu.bsky.social

1/2 Serhii ‘Flash’ Bezkrestnov giving some context to something which seems simple, but is actually quite a remarkable achievement: ‘When everyone sees the visual result of our drones' work, I always think about the organizational and technical aspects. t.me/serhii_flash...

Peter Schrijver
@psguu.bsky.social

2/2 ‘To reach Peter (St. Petersburg), our UAVs need to cover 1000 km through 4 enemy regions. 4 regions protected by air defense and electronic warfare. Moreover, these are not cruise missiles with special systems; these are UAVs flying at a speed of up to 200 km/h’. Comment on last week’s strikes.

Peter Schrijver
@psguu.bsky.social

www.linkedin.com/pulse/territ... 1/2 Triggered by a question of a German collague on flag-waiving I wrote a short article on LinkedIn: Russian statements about territorial control in Ukraine regularly claim more ground than open-source assessments show. This article examines how such claims ...

linkedin.comTerritorial disinformation: from flag to negotiating tableRussian statements about territorial control in Ukraine regularly claim more ground than open-source assessments show. This article examines how such claims originate and how they move upwards: from f...
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Peter Schrijver
@psguu.bsky.social

‘🇷🇺 military victory over 🇺🇦 is not inevitable. It is extraordinarily unlikely, in fact, unless Western support for 🇺🇦 collapses. 🇺🇦 are fighting an existential war against an adversary that openly seeks to subjugate them and eliminate their identity and language’. understandingwar.org/research/rus...

Peter Schrijver reposted

The Defence Blog
@defence-blog.com

Starting Monday, no BYD car gets through the gates at Kadena Air Base in Okinawa, Japan. Not personal cars, not taxis, not delivery vans. The concern: cameras and sensors in modern EVs could collect data on the base. defence-blog.com/u-s-air-base...

defence-blog.comU.S. air base in Japan to block Chinese BYD cars over data fearsKadena Air Base in Okinawa will bar all vehicles made by Chinese electric carmaker BYD from entering the installation starting Oct. 26 over concerns that the cars could expose sensitive military infor...

Peter Schrijver reposted

Anders Puck Nielsen
@anderspucknielsen.dk

Ukraine may now begin exporting long-range strike weapons to Germany. It has only been four years since Germany refused to provide offensive weapons to Ukraine because Scholz was afraid of escalation.

Mina Hanse@mina-hanse.bsky.social

Germany is negotiating to purchase Bars jet-powered drones from Ukraine. These drones feature a 1,000 km range and speeds of up to 700 km/h. kyivindependent.com/germany-in-t...

kyivindependent.comGermany in talks to buy Ukrainian jet-powered dronesThe Bars jet powered drone has a range of 1,000 kilometers and can reach speeds of up to 700 kilometers per hour.
Peter Schrijver
@psguu.bsky.social

‘Oleksandr Todorchuk, entrepreneur, civic activist, founder of the animal welfare organization UAnimals, and current service member, has announced his appointment as head of the Main Directorate for Communications of the Armed Forces of 🇺🇦’. en.interfax.com.ua/news/general...

en.interfax.com.uaCivic activist and UAnimals founder Todorchuk appointed to head AFU Main Directorate for CommunicationsOleksandr Todorchuk, Ukrainian entrepreneur, civic activist, founder of the animal welfare organization UAnimals, co-founder of the communications agency Gres Todorchuk, and current service member, ha...

Peter Schrijver reposted

Jeroen Akkermans
@jeroenakkermans.bsky.social

Oekrainse krijgsgevangenen vertellen na vrijlating in Oekraïne over de omstandigheden van krijgsgevangenschap in Rusland. De hel.

Natalka@natalkakyiv.bsky.social

— Do you know where my home is? — In Mariupol? — No. My home is wherever my flag is. This is where my home is. He survived the Olenivka prison massacre and spent 4.5 years in Russian captivity. 💙💛Now, he’s finally home.

Peter Schrijver
@psguu.bsky.social

De 🇺🇦 Koordshtab vandaag, uitwisseling van krijgsgevangenen: ‘Our people are coming home! Behind the scenes of the prisoner exchange lies the pain of what was endured, the unbreakable spirit of Ukrainians, and the joy of long-awaited freedom’. t.me/Koord_shtab/...

Peter Schrijver
@psguu.bsky.social

De SBU-video: ‘the result of the work of the Joint Center for Coordination of Search and Release of Prisoners of War, the Coordination Headquarters on the Treatment of Prisoners of War, and other authorized bodies that carried out the instructions of the President of Ukraine’. t.me/SBUkr/18921

Peter Schrijver
@psguu.bsky.social

www.linkedin.com/pulse/territ... 1/2 Triggered by a question of a German collague on flag-waiving I wrote a short article on LinkedIn: Russian statements about territorial control in Ukraine regularly claim more ground than open-source assessments show. This article examines how such claims ...

linkedin.comTerritorial disinformation: from flag to negotiating tableRussian statements about territorial control in Ukraine regularly claim more ground than open-source assessments show. This article examines how such claims originate and how they move upwards: from f...
Peter Schrijver
@psguu.bsky.social

2/2...originate and how they move upwards: from flag-raising videos filmed in contested villages, increasingly supplemented by AI-generated footage, to reports by the General Staff and, potentially, to demands in negotiations.

Peter Schrijver
@psguu.bsky.social

Vanity Fair: ‘In late spring 2020, a source I knew to be reliable called me with a story. The Dutch government had hacked into Jared Kushner’s phone and monitored him as he accessed a Dubai-based bank account’. www.vanityfair.com/story/jared-...

vanityfair.comThe Art of the Deal: Jared Kushner’s Hacked Phone Revealed More Than $700 Million in TransfersAn exclusive excerpt from ‘Princes and Thieves: Jared Kushner and Mohamed bin Zayed’s Secret Plot to Remake the Middle East’ examines how bank accounts linked the president’s son-in-law—and former sen...
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Peter Schrijver
@psguu.bsky.social

Nog meer context over de diepere achtergrond van het gebieden inkleuren alsof je deze daadwerkelijk controleert: bsky.app/profile/chri...

ChrisO_wiki@chriso-wiki.bsky.social

1/ The Russian military is announcing the 'capture' of settlements far ahead of where even its own maps place the front line. A Russian warblogger suggests that this is an attempt to create 'facts' to influence peace talks with the United States, as has happened before. ⬇️

Peter Schrijver
@psguu.bsky.social

Interessant fragment uit deze BBC reportage over operatie Vivaldi: o.a. inzet van drones tegen drones door netten af te werpen en gebruik van Starlink voor communicatie. www.bbc.com/news/article... PS: Mocht iemand linkje hebben naar de volledige reportage, graag.

bbc.comInside Ukrainian offensive pushing Russia back - with Starlink playing a key roleThe BBC joins Ukraine's Operation Vivaldi as it regains crucial territory in the Donbas, but optimism has been dampened by souring relations with President Trump.
Peter Schrijver
@psguu.bsky.social

Amerikaanse senator:

Senator Sheldon Whitehouse@whitehouse.senate.gov

It looks like it may be worse than just betrayal; it looks like betrayal plus crooked side deals for Trump and cronies.

reuters.comPutin envoy says Russia and US are discussing joint deals including on data centresRussia and the US are discussing a ​range of new joint projects including nuclear-powered data centres in the wake of last week's agreement on ‌diesel, President Vladimir Putin's investment envoy said...
Peter Schrijver
@psguu.bsky.social

Nog maar even deze afbeelding in het kader van onderstaande berichtgeving: inved.eu/wp-content/u...

The New Voice of Ukraine@english.nv.ua

🇪🇺 The EU is investigating possible Russian interference in recent unrest in France and other member states. Security officials say pro-Russian and far-right accounts spread videos of protest violence to fuel chaos, the Financial Times reported 🔗https://link.nv.ua/wRS7Fw 📸: Social media

Peter Schrijver reposted

Bart Groothuis
@bartgroothuis.bsky.social

Klare wijn schenken in het NOS journaal: Oekraïne de pas afsnijden door Musk’s satellieten aan het front militair onbruikbaar te maken en ongepaste druk te zetten op de EU kan maar 1 uitkomst hebben, dat Europa zijn eigen satelliet systemen uitbouwt. En rap.

Peter Schrijver
@psguu.bsky.social

Duitsland.⤵️

Florian Flade@florianflade.bsky.social

💥🚨 „Red Lines are crossed“: For the first time, the #Bundeswehr has rated the risk of Russian #sabotage attacks against German #military personnel and facilities in Germany as "significant“ - the second-highest level: www.tagesschau.de/investigativ... #security #Leipzig #Wunstorf #Russia #drones

tagesschau.deBundeswehr befürchtet russische Sabotageanschläge auf eigene Truppen in DeutschlandDie Bundeswehr warnt vor möglichen russischen Sabotageanschlägen auf die eigenen Truppen in Deutschland - das geht aus einer internen Lageeinschätzung hervor, die WDR und SZ vorliegt. In dem Papier wu...
Peter Schrijver
@psguu.bsky.social

‘The people’s satellite’: united24media.com/war-in-ukrai... Vanavond tijdens lezing uitgebreid over verteld: de 🇺🇦 militaire inlichtingendienst, HUR, die via crowdfunding toegang tot actuele satellietbeelden verkreeg.

united24media.comHow a Crowdfunded Ukrainian Satellite Became a Nightmare for Russia’s War MachineUkraine's "People's Satellite" project has provided over 5,900 radar images since 2022, aiding strikes on Russian military targets.
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Peter Schrijver
@psguu.bsky.social

‘As of October 1, 2026, according to the “I Want to Live” project, the identities of 45,959 foreigners who signed contracts with the Russian Armed Forces have been identified. These are citizens of 151 countries and representatives of unrecognized territories’. koordshtab.gov.ua/posts/45-959...

koordshtab.gov.ua45 959 іноземців зі 151 країни підписали контракти зі збройними силами рф.‼️ 45 959 іноземців зі 151 країни підписали контракти зі збройними силами рф. Станом на 1 жовтня 2026 року, за даними проєкту «Хочу жить», встановлено особи