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/10.1080/08850607.2025.2522222
Latest article: https://www.tandfonline.com/doi/full/10.1080/08850607.2025.2522222
Pinned
Peter Schrijver
@psguu.bsky.social
· Jul 15
Updated, to introduce myself a few links to articles written or co-written by me:
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/i-w...
platformraam.nl/artikelen/27...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/ind...
mwi.westpoint.edu/ukraines-fig...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/i-w...
platformraam.nl/artikelen/27...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/ind...
mwi.westpoint.edu/ukraines-fig...
1/ Wat ideeën voor de toekomst van de infanterie. Vooral ontleend aan observaties Russisch-Oekraïense oorlog, dus beperkt, maar toch.
Klassieke pantserinfanterie is een belangrijk bestanddeel slagkracht van westerse krijgsmachten. Hun evenknieën aan Russische, maar ook aan Oekraïense zijde hebben…
Klassieke pantserinfanterie is een belangrijk bestanddeel slagkracht van westerse krijgsmachten. Hun evenknieën aan Russische, maar ook aan Oekraïense zijde hebben…
January 4, 2026 at 5:37 PM
1/ Wat ideeën voor de toekomst van de infanterie. Vooral ontleend aan observaties Russisch-Oekraïense oorlog, dus beperkt, maar toch.
Klassieke pantserinfanterie is een belangrijk bestanddeel slagkracht van westerse krijgsmachten. Hun evenknieën aan Russische, maar ook aan Oekraïense zijde hebben…
Klassieke pantserinfanterie is een belangrijk bestanddeel slagkracht van westerse krijgsmachten. Hun evenknieën aan Russische, maar ook aan Oekraïense zijde hebben…
Best wel grote operatie, inlichtingendiensten in de zaal.
Logisch 🙃 dat op een groot scherm de live feed van X-account Osintdefender (@sentdefender)meedraait in de ‘situation room’.
Zegt iets over sterke verwevenheid conflicten en sociale media.
Logisch 🙃 dat op een groot scherm de live feed van X-account Osintdefender (@sentdefender)meedraait in de ‘situation room’.
Zegt iets over sterke verwevenheid conflicten en sociale media.
January 4, 2026 at 4:20 PM
Best wel grote operatie, inlichtingendiensten in de zaal.
Logisch 🙃 dat op een groot scherm de live feed van X-account Osintdefender (@sentdefender)meedraait in de ‘situation room’.
Zegt iets over sterke verwevenheid conflicten en sociale media.
Logisch 🙃 dat op een groot scherm de live feed van X-account Osintdefender (@sentdefender)meedraait in de ‘situation room’.
Zegt iets over sterke verwevenheid conflicten en sociale media.
Reposted by Peter Schrijver
Tribune parue ce jour dans @liberation.fr :
Ce que la cyberattaque contre La Poste Groupe nous dit de la stratégie russe de « harcèlement géopolitique » de l’Europe (et de ses faiblesses).
www.liberation.fr/idees-et-deb...
Ce que la cyberattaque contre La Poste Groupe nous dit de la stratégie russe de « harcèlement géopolitique » de l’Europe (et de ses faiblesses).
www.liberation.fr/idees-et-deb...
Cyberattaque contre la Poste : un révélateur de la «guerre hybride» menée par la Russie
L’objectif de l’attaque revendiquée par le groupe de hackers NoName057 (016) est probablement de chercher à exagérer la capacité de nuisance de la Russie, analyse Kevin Limonier, professeur à l’Instit...
www.liberation.fr
January 4, 2026 at 3:32 PM
Tribune parue ce jour dans @liberation.fr :
Ce que la cyberattaque contre La Poste Groupe nous dit de la stratégie russe de « harcèlement géopolitique » de l’Europe (et de ses faiblesses).
www.liberation.fr/idees-et-deb...
Ce que la cyberattaque contre La Poste Groupe nous dit de la stratégie russe de « harcèlement géopolitique » de l’Europe (et de ses faiblesses).
www.liberation.fr/idees-et-deb...
‘Het concept ‘killer drone’ is hardnekkig: beeld van onfeilbare robot.
Realiteit is dat ook drones die de ‘last mile’ op ‘machine vision’ draaien moeite hebben met herkennen vriend-vijand en van de leg raken door beweging. Nuances zitten overigens wel in artikel.
www.nytimes.com/2025/12/31/m...
Realiteit is dat ook drones die de ‘last mile’ op ‘machine vision’ draaien moeite hebben met herkennen vriend-vijand en van de leg raken door beweging. Nuances zitten overigens wel in artikel.
www.nytimes.com/2025/12/31/m...
In Ukraine, a New Arsenal of Killer A.I. Drones Is Being Born
www.nytimes.com
January 4, 2026 at 2:03 PM
‘Het concept ‘killer drone’ is hardnekkig: beeld van onfeilbare robot.
Realiteit is dat ook drones die de ‘last mile’ op ‘machine vision’ draaien moeite hebben met herkennen vriend-vijand en van de leg raken door beweging. Nuances zitten overigens wel in artikel.
www.nytimes.com/2025/12/31/m...
Realiteit is dat ook drones die de ‘last mile’ op ‘machine vision’ draaien moeite hebben met herkennen vriend-vijand en van de leg raken door beweging. Nuances zitten overigens wel in artikel.
www.nytimes.com/2025/12/31/m...
Diepe operatie in achterland:
🇺🇦 military intelligence (HUR) reports that a Russian KAMAZ truck carrying personnel from the 47th Missile Brigade was destroyed on Dec 26 in the city of Korenevsk, Krasnodar Krai.
The unit is linked to missile attacks on Ukraine, stated the HUR. youtu.be/MS5lYu9lI-I
🇺🇦 military intelligence (HUR) reports that a Russian KAMAZ truck carrying personnel from the 47th Missile Brigade was destroyed on Dec 26 in the city of Korenevsk, Krasnodar Krai.
The unit is linked to missile attacks on Ukraine, stated the HUR. youtu.be/MS5lYu9lI-I
Гуркіт на Кубані ― горів КАМАЗ та військовослужбовці 47-ї ракетної бригади рф
YouTube video by Головне управління розвідки МО України
youtu.be
January 4, 2026 at 12:39 PM
Diepe operatie in achterland:
🇺🇦 military intelligence (HUR) reports that a Russian KAMAZ truck carrying personnel from the 47th Missile Brigade was destroyed on Dec 26 in the city of Korenevsk, Krasnodar Krai.
The unit is linked to missile attacks on Ukraine, stated the HUR. youtu.be/MS5lYu9lI-I
🇺🇦 military intelligence (HUR) reports that a Russian KAMAZ truck carrying personnel from the 47th Missile Brigade was destroyed on Dec 26 in the city of Korenevsk, Krasnodar Krai.
The unit is linked to missile attacks on Ukraine, stated the HUR. youtu.be/MS5lYu9lI-I
🧵
1/ Russian warbloggers are furious and chagrined that the US has done to Maduro and Venezuela what their country has failed to do over four years to Zelenskyy and Ukraine. They say it shows Russia's weakness and condemn the Venezuelans for failing to fight. ⬇️
January 4, 2026 at 11:14 AM
🧵
Langeafstandsdroneproductie, FP-1/2:
‘Currently, 80 of the 82 engine parts for long-range drones, or over 97.5%, are manufactured in-house. The company has mastered the full production cycle, including machining,fitting, and final assembly, all done in-house’. 1/ militarnyi.com/uk/news/fire...
‘Currently, 80 of the 82 engine parts for long-range drones, or over 97.5%, are manufactured in-house. The company has mastered the full production cycle, including machining,fitting, and final assembly, all done in-house’. 1/ militarnyi.com/uk/news/fire...
Fire Point налагодила власне виробництво двигунів для далекобійних дронів
Українська компанія Fire Point налагодила власне виробництво понад 97 % деталей двигунів для своїх далекобійних ударних дронів FP-1/2
militarnyi.com
January 4, 2026 at 11:08 AM
Langeafstandsdroneproductie, FP-1/2:
‘Currently, 80 of the 82 engine parts for long-range drones, or over 97.5%, are manufactured in-house. The company has mastered the full production cycle, including machining,fitting, and final assembly, all done in-house’. 1/ militarnyi.com/uk/news/fire...
‘Currently, 80 of the 82 engine parts for long-range drones, or over 97.5%, are manufactured in-house. The company has mastered the full production cycle, including machining,fitting, and final assembly, all done in-house’. 1/ militarnyi.com/uk/news/fire...
‘Russia recruiting agents inside the UK via Social Media.
Are there people spying for Russia on your street?
Authorities say they've uncovered covert networks, including those involving delivery drivers, press photographers, and beauticians’.
www.forcesnews.com/news/spies-y...
Are there people spying for Russia on your street?
Authorities say they've uncovered covert networks, including those involving delivery drivers, press photographers, and beauticians’.
www.forcesnews.com/news/spies-y...
A spy on your street: How Russia is recruiting in Britain for the grey zone gig economy
From amateur saboteurs recruited over Telegram to spy rings on the Norfolk coast, Russia is making increasing use of proxy agents in Britain
www.forcesnews.com
January 3, 2026 at 1:31 PM
‘Russia recruiting agents inside the UK via Social Media.
Are there people spying for Russia on your street?
Authorities say they've uncovered covert networks, including those involving delivery drivers, press photographers, and beauticians’.
www.forcesnews.com/news/spies-y...
Are there people spying for Russia on your street?
Authorities say they've uncovered covert networks, including those involving delivery drivers, press photographers, and beauticians’.
www.forcesnews.com/news/spies-y...
Reposted by Peter Schrijver
How it started (Ukraine SBU) / how it's going (US Delta Force)
January 3, 2026 at 11:09 AM
How it started (Ukraine SBU) / how it's going (US Delta Force)
‘In practice, Ukrainian strike UAVs have begun to partially replace U.S.-supplied AGM-88 HARM anti-radiation missiles as a tool for engaging russian radars of various classes, especially closer to the front line’.
en.defence-ua.com/analysis/why...
en.defence-ua.com/analysis/why...
January 3, 2026 at 11:13 AM
‘In practice, Ukrainian strike UAVs have begun to partially replace U.S.-supplied AGM-88 HARM anti-radiation missiles as a tool for engaging russian radars of various classes, especially closer to the front line’.
en.defence-ua.com/analysis/why...
en.defence-ua.com/analysis/why...
Genuanceerder verhaal dan de kop doet vermoeden:
'Killer bots' zoeken straks met AI zelfstandig hun doelwit uit www.nrc.nl/nieuws/2026/...
'Killer bots' zoeken straks met AI zelfstandig hun doelwit uit www.nrc.nl/nieuws/2026/...
January 3, 2026 at 10:10 AM
Genuanceerder verhaal dan de kop doet vermoeden:
'Killer bots' zoeken straks met AI zelfstandig hun doelwit uit www.nrc.nl/nieuws/2026/...
'Killer bots' zoeken straks met AI zelfstandig hun doelwit uit www.nrc.nl/nieuws/2026/...
www.twz.com/news-feature...
‘Lt. Gen. Kyrylo Budanov, who Ukrainian President Volodymyr Zelensky named as his new chief of staff on Friday, tells The War Zone that the job will center on figuring out a way to end the war and helping to calm his country’s political turmoil’.
‘Lt. Gen. Kyrylo Budanov, who Ukrainian President Volodymyr Zelensky named as his new chief of staff on Friday, tells The War Zone that the job will center on figuring out a way to end the war and helping to calm his country’s political turmoil’.
Ukrainian Spy Master Kyrylo Budanov Explains His New Job As Top Zelensky Aid
Ukraine Situation Report: Zelensky taps his former spy boss as his new chief of staff as Australian Abrams tanks bolster the front lines.
www.twz.com
January 3, 2026 at 8:25 AM
www.twz.com/news-feature...
‘Lt. Gen. Kyrylo Budanov, who Ukrainian President Volodymyr Zelensky named as his new chief of staff on Friday, tells The War Zone that the job will center on figuring out a way to end the war and helping to calm his country’s political turmoil’.
‘Lt. Gen. Kyrylo Budanov, who Ukrainian President Volodymyr Zelensky named as his new chief of staff on Friday, tells The War Zone that the job will center on figuring out a way to end the war and helping to calm his country’s political turmoil’.
Reposted by Peter Schrijver
'What to know about the Ukrainian general picked by Zelenskyy to be his new chief of staff' apnews.com/article/ukra...
What to know about the Ukrainian general picked by Zelenskyy to be his new chief of staff
Ukrainian President Volodymyr Zelenskyy has announced Gen. Kyrylo Budanov, the head of the country’s military intelligence service, as his new chief of staff.
apnews.com
January 3, 2026 at 7:49 AM
'What to know about the Ukrainian general picked by Zelenskyy to be his new chief of staff' apnews.com/article/ukra...
Voor @france24.com toelichting mogen geven over een HUR misleidingsoperatie waarbij RF diensten om de tuin zijn geleid over de dood van RDK-commandant Kapoestin.
www.france24.com/fr/europe/20...
Beeld is van 27 dec toen Oekraïense en RF media nog overtuigd waren van sneuvelen Kapoestin:
www.france24.com/fr/europe/20...
Beeld is van 27 dec toen Oekraïense en RF media nog overtuigd waren van sneuvelen Kapoestin:
January 2, 2026 at 6:59 PM
Voor @france24.com toelichting mogen geven over een HUR misleidingsoperatie waarbij RF diensten om de tuin zijn geleid over de dood van RDK-commandant Kapoestin.
www.france24.com/fr/europe/20...
Beeld is van 27 dec toen Oekraïense en RF media nog overtuigd waren van sneuvelen Kapoestin:
www.france24.com/fr/europe/20...
Beeld is van 27 dec toen Oekraïense en RF media nog overtuigd waren van sneuvelen Kapoestin:
1/ 𝗕𝗶𝗷𝗱𝗿𝗮𝗴𝗲 𝘃𝗼𝗼𝗿 𝗥𝗧𝗟 𝗡𝗶𝗲𝘂𝘄𝘀 𝗼𝘃𝗲𝗿 𝗲𝗲𝗻 𝗺𝗶𝘀𝗹𝗲𝗶𝗱𝗶𝗻𝗴𝘀𝗼𝗽𝗲𝗿𝗮𝘁𝗶𝗲 𝘃𝗮𝗻 𝗱𝗲 𝗛𝗨𝗥
Ontwikkelingen gaan de eerste dagen van 2026 snel in Oekraïne. Vandaag is luitenant-generaal Kyrylo Budanov, hoofd van het militaire inlichtingenditectoraat (HUR), gevraagd de nieuwe chefstaf te worden van president Zelensky.
Ontwikkelingen gaan de eerste dagen van 2026 snel in Oekraïne. Vandaag is luitenant-generaal Kyrylo Budanov, hoofd van het militaire inlichtingenditectoraat (HUR), gevraagd de nieuwe chefstaf te worden van president Zelensky.
January 2, 2026 at 5:36 PM
1/ 𝗕𝗶𝗷𝗱𝗿𝗮𝗴𝗲 𝘃𝗼𝗼𝗿 𝗥𝗧𝗟 𝗡𝗶𝗲𝘂𝘄𝘀 𝗼𝘃𝗲𝗿 𝗲𝗲𝗻 𝗺𝗶𝘀𝗹𝗲𝗶𝗱𝗶𝗻𝗴𝘀𝗼𝗽𝗲𝗿𝗮𝘁𝗶𝗲 𝘃𝗮𝗻 𝗱𝗲 𝗛𝗨𝗥
Ontwikkelingen gaan de eerste dagen van 2026 snel in Oekraïne. Vandaag is luitenant-generaal Kyrylo Budanov, hoofd van het militaire inlichtingenditectoraat (HUR), gevraagd de nieuwe chefstaf te worden van president Zelensky.
Ontwikkelingen gaan de eerste dagen van 2026 snel in Oekraïne. Vandaag is luitenant-generaal Kyrylo Budanov, hoofd van het militaire inlichtingenditectoraat (HUR), gevraagd de nieuwe chefstaf te worden van president Zelensky.
Reposted by Peter Schrijver
Oleh Ivasjtsjenko is benoemd tot hoofd van de Oekraïense militaire inlichtingendienst GOeR. Hij volgt Kyrylo Boedanov op, die stafchef van Zelensky wordt. Eerder leidde hij de buitenlandse inlichtingendienst en heeft ruime militaire ervaring.
www.radiosvoboda.org/a/news-ivash...
www.radiosvoboda.org/a/news-ivash...
Зеленський підтвердив, що ГУР очолить Іващенко
Зеленський повідомив, що відсьогодні Олег Іващенко продовжить виконувати завдання щодо обмеження військового потенціалу РФ на позиції воєнної розвідки України
www.radiosvoboda.org
January 2, 2026 at 3:28 PM
Oleh Ivasjtsjenko is benoemd tot hoofd van de Oekraïense militaire inlichtingendienst GOeR. Hij volgt Kyrylo Boedanov op, die stafchef van Zelensky wordt. Eerder leidde hij de buitenlandse inlichtingendienst en heeft ruime militaire ervaring.
www.radiosvoboda.org/a/news-ivash...
www.radiosvoboda.org/a/news-ivash...
Vervanger van Yermak?
BREAKING: Zelensky picks Military Intelligence Head Budanov as his new chief of staff
kyivindependent.com/breaking-ukr...
BREAKING: Zelensky picks Military Intelligence Head Budanov as his new chief of staff
kyivindependent.com/breaking-ukr...
BREAKING: Zelensky picks Military Intelligence Head Budanov as his new chief of staff
Editor's note: The story is being updated.
President Volodymyr Zelensky has offered Kyrylo Budanov, the military intelligence chief, to take charge of the President’s Office on Jan. 2.
"Now, Ukraine...
kyivindependent.com
January 2, 2026 at 1:05 PM
Vervanger van Yermak?
BREAKING: Zelensky picks Military Intelligence Head Budanov as his new chief of staff
kyivindependent.com/breaking-ukr...
BREAKING: Zelensky picks Military Intelligence Head Budanov as his new chief of staff
kyivindependent.com/breaking-ukr...
1/7 Ukraine’s HUR frequently announces successful on social media, from cyberattacks to ‘Prymary’ drone unit footage destroying air defences on Crimea. A new operation was revealed today involving the ‘Timur’ Special Unit of the HUR.
🧵
🧵
January 1, 2026 at 6:00 PM
1/7 Ukraine’s HUR frequently announces successful on social media, from cyberattacks to ‘Prymary’ drone unit footage destroying air defences on Crimea. A new operation was revealed today involving the ‘Timur’ Special Unit of the HUR.
🧵
🧵
Reposted by Peter Schrijver
2025 was a year where data became our most honest witness.
As the clock runs out on this year, we revisit the most impactful Texty.org.ua stories, tracing exactly how Ukraine endured, resisted and survived another year of Russian aggression🧵👇
As the clock runs out on this year, we revisit the most impactful Texty.org.ua stories, tracing exactly how Ukraine endured, resisted and survived another year of Russian aggression🧵👇
December 31, 2025 at 4:35 PM
2025 was a year where data became our most honest witness.
As the clock runs out on this year, we revisit the most impactful Texty.org.ua stories, tracing exactly how Ukraine endured, resisted and survived another year of Russian aggression🧵👇
As the clock runs out on this year, we revisit the most impactful Texty.org.ua stories, tracing exactly how Ukraine endured, resisted and survived another year of Russian aggression🧵👇
1/2 Blijft bijzonder hoe geavanceerde Russische luchtverdediging keer op keer geen antwoord heeft op inkomende drones. Kan me nog herinneren dat pré 2022 serieuze analyses verschenen over ondoordringbare Anti-Access/Area Denial (A2/AD) systemen van de Russen, die opereren…
In just one hour on December 31, Unmanned Systems drones from the "Asgard" battalion of Ukraine’s 412th Brigade "Nemesis" destroyed two high-value Russian air defense systems on the Huliaipole and Orikhiv fronts: a Buk-M3 and a Tor-M2.
December 31, 2025 at 3:45 PM
1/2 Blijft bijzonder hoe geavanceerde Russische luchtverdediging keer op keer geen antwoord heeft op inkomende drones. Kan me nog herinneren dat pré 2022 serieuze analyses verschenen over ondoordringbare Anti-Access/Area Denial (A2/AD) systemen van de Russen, die opereren…
1/ Demographic overview of RF PoWs:
Ukraine’s ‘I Want to Live’ project reports over 10,000 RF servicemen taken prisoner since the full-scale invasion began. The number of surrenders has increased yearly, with more captured in 2025 (incomplete) than in 2022, 2023 combined. t.me/hochu_zhyt/4...
Ukraine’s ‘I Want to Live’ project reports over 10,000 RF servicemen taken prisoner since the full-scale invasion began. The number of surrenders has increased yearly, with more captured in 2025 (incomplete) than in 2022, 2023 combined. t.me/hochu_zhyt/4...
December 31, 2025 at 2:40 PM
1/ Demographic overview of RF PoWs:
Ukraine’s ‘I Want to Live’ project reports over 10,000 RF servicemen taken prisoner since the full-scale invasion began. The number of surrenders has increased yearly, with more captured in 2025 (incomplete) than in 2022, 2023 combined. t.me/hochu_zhyt/4...
Ukraine’s ‘I Want to Live’ project reports over 10,000 RF servicemen taken prisoner since the full-scale invasion began. The number of surrenders has increased yearly, with more captured in 2025 (incomplete) than in 2022, 2023 combined. t.me/hochu_zhyt/4...
Tonight, Ukrainian drones struck the Rosneft-operated Tuapse oil refinery in Russia’s Krasnodar Krai. Multiple locals report explosions and a large fire at the facility. Geolocated to refinery area. Credible OSINT accounts confirm hits. 1/2 @noelreports.com
December 30, 2025 at 10:46 PM
Tonight, Ukrainian drones struck the Rosneft-operated Tuapse oil refinery in Russia’s Krasnodar Krai. Multiple locals report explosions and a large fire at the facility. Geolocated to refinery area. Credible OSINT accounts confirm hits. 1/2 @noelreports.com
‘An examination of PRC writings suggests that the PRC is learning from both sides in the Russia-Ukraine war on the use of drones and drone countermeasures and applying these lessons to a PLA-Taiwan military scenario’.
www.cna.org/analyses/202...
www.cna.org/analyses/202...
PRC Concepts for UAV Swarms in Future Warfare
This report examines the People’s Republic of China’s writings on the growing use drones in warfare.
www.cna.org
December 30, 2025 at 8:45 PM
‘An examination of PRC writings suggests that the PRC is learning from both sides in the Russia-Ukraine war on the use of drones and drone countermeasures and applying these lessons to a PLA-Taiwan military scenario’.
www.cna.org/analyses/202...
www.cna.org/analyses/202...
‘Various units have launched dozens of communication campaigns aimed at drawing—and competing for—the attention of potential recruits. Every military unit seeks the most intelligent and disciplined fighters in its ranks’.
united24media.com/war-in-ukrai...
united24media.com/war-in-ukrai...
“You Are Your own Client.” How Ukraine’s Army Is Building Powerful Branding From the Trenches
Ukraine’s Armed Forces use bold marketing to recruit, inspire, and unify a nation. Here’s how battlefield branding is shaping modern military identity.
united24media.com
December 30, 2025 at 6:15 PM
‘Various units have launched dozens of communication campaigns aimed at drawing—and competing for—the attention of potential recruits. Every military unit seeks the most intelligent and disciplined fighters in its ranks’.
united24media.com/war-in-ukrai...
united24media.com/war-in-ukrai...
‘Between 2022 and 2025, Russia carried out a systematic transformation of Iranian Shahed UAVs—from primitive “flying munitions” into high-tech, networked strike platforms incorporating elements of artificial intelligence’.
www.linkedin.com/pulse/unit-1...
www.linkedin.com/pulse/unit-1...
by UNIT 117 team
ANALYTICAL BRIEF: Evolution of the Shahed UAVs (2022–2025) Key findings of the study Between 2022 and 2025, Russia carried out a systematic transformation of Iranian Shahed UAVs—from primitive “flying...
www.linkedin.com
December 30, 2025 at 3:06 PM
‘Between 2022 and 2025, Russia carried out a systematic transformation of Iranian Shahed UAVs—from primitive “flying munitions” into high-tech, networked strike platforms incorporating elements of artificial intelligence’.
www.linkedin.com/pulse/unit-1...
www.linkedin.com/pulse/unit-1...