Mick Ryan, AM Profile picture
Oct 25, 2022 25 tweets 9 min read Read on X
The winter months approach in #Ukraine. It will have an impact on the war, but it won’t shut down the war as some have theorised. A thread on the likely impact of winter on the war in #Ukraine. 1/25 🧵 Image
2/ Recently, it has become common to compare the coming winter in #Ukraine with the Russo-Finnish Winter War, fought from November 1939 through to March 1940. Image
3/ The Finns resisted a massive Soviet invasion of their nation, resulting in a peace agreement temporarily ending hostilities. The Winter War is used as a historical example of David versus Goliath, as well as the clever use of terrain and weather by a defending military force.
4/ But it also offers another important lesson for observers of the war in Ukraine; wars can be fought, and battles can be won, during the most extreme weather, including the depths of winter. smh.com.au/world/europe/w…
5/ Both the Russian and Ukrainian strategies are predicated on a continuation of hostilities over winter. However, they will have different approaches. For Russia, their aim is to draw the war out over winter and well into 2023.
6/ A key element of this is the insertion of masses of newly mobilised troops into Ukraine to stabilise the front line. But the most important aspect of Russia’s strategy for winter is its strategic energy warfare.
7/ Putin’s energy war, which has already affected 30% of power generation capacity in Ukraine, will see heating restricted, more burst water pipes and a range of other hardships for the population.
8/ While stockpiling of warm clothing and firewood commenced some time ago, many Ukrainians are either displaced from their homes, or living in damaged residences, making them more vulnerable to the ravages of winter.
9/ This ‘denial of heat’ by Putin during the coldest months of the war is a deliberate strategy to both terrorise the population, and to pressure the Ukrainian government for either a ceasefire or some other accommodation with the Russian invaders. kyivindependent.com/national/russi…
10/ But, as we have seen from the hardy Ukrainians, their resilience and very high support for expelling the Russian Army means that this is an unlikely outcome for Putin.
11/ Putin, by now, probably hoped that his strategic energy warfare would have had a greater impact on the populations of European nations that had become reliant on Russian energy. reuters.com/business/energ…
12/ However, a combination of new energy sources, rationing and stockpiling means that Putin has not yet been able to exert leverage over Europeans to reduce their support for Ukraine. That could change, however.
13/ For Ukraine, they have fought hard for eight months to seize the initiative from the Russians in this war. They will want to continue to use the momentum & use the winter as an opportunity to continue seizing back their territory.
14/ There will be challenges, though. The cold saps the energy from soldiers faster than in warmer conditions. Warm weather clothing, hot food and protection from the elements are key to preserving a military force. Image
15/ Vehicle mobility is problematic. Wheeled vehicles in particular struggle in cold and boggy conditions, and this will have an impact on the logistic support for both sides. Tracked vehicles, however, have superior mobility in such conditions. Image
16/ Concealment in winter is difficult. Foliage disappears & the green colours that most military vehicles are painted makes them stand out against the stark white of snow. The heat of humans & equipment stands out more against the cold environment.
17/ Making up for this however is that flying in winter months can be more challenging for both crewed and autonomous aerial vehicles.
18/ There are many other tactical impacts of cold weather on military operations. But as historical examples such as the Battle of the Bulge, the Winter War, Chosin Reservoir and the more recent conflict around Siachen Glacier demonstrate, winter does not shut down wars. Image
19/ The Ukrainians, who have been clever strategists and tacticians throughout this war, may take the advice of the Finns from the Winter War. warontherocks.com/2016/07/lesson…
20/ They found that it was “not sufficient to adapt to a harsh geography. Rather, the goal should be to develop new forms of operational art that enable one to leverage that same geography against an ill-adapted foe.”
21/ We may see more adaptations by the Ukrainians to use winter to their advantage. Regardless, Ukraine and Russia will continue to pursue their war aims throughout the winter, albeit at a lower tempo. engelsbergideas.com/essays/how-ukr…
22/ There is a final salutary lesson when making comparisons between Ukraine in 2022 and Finland in 1939. The Winter War of 1939-1940 was actually the beginning of a longer conflict between Finland and the Soviet Union.
23/ Known as The Continuation War, this conflict lasted until September 1944 and resulted in over one million dead, wounded and missing between the belligerents. ImageImageImage
24/ It is an uncomfortable scenario, but one possible future for the current war. End. smh.com.au/world/europe/w…
25/ Thank you to those whose images and other resources were used in this thread: @Reuters @KyivIndependent @RALee85 @War_Mapper @smh @EngelsbergIdeas @CSIS @USArmyCMH @IAPonomarenko

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More from @WarintheFuture

Nov 18
I recently returned from another research visit to #Ukraine, my second for 2025. I have written a new white paper, published by the @CSIS, which explores 7 strategic insights based on knowledge gained on my recent visit & other research. 1/7 🧵🇺🇦 Image
2/ The white paper covers a range of subjects related to how #Ukraine and #Russia are fighting this war. The seven insights not only illuminate the state of the war, and the degree of learning and #adaptation occurring, they provide lessons that western military institutions must analyse and heed.
3/ The seven subjects covered are:

1. Drone saturation and Russian drone innovation.
2. The new tactical battle triangle.
3. The ongoing and accelerating adaptation battle.
4. Long-range strike operations.
5. Ground-based air defence.
6. Russia's tactical and strategic advantages.
7. War strategy and trajectory.

I highlight just a couple of these below.
Read 7 tweets
Nov 14
Yesterday, my report on the new global adaptation war was published by the @scsp_ai . The report proposes that the learning and adaptation ecosystem spawned by the war in #Ukraine has now metastasised into an international learning and #adaptation competition. 1/10 🧵🇺🇦 Image
2/ As the report describes, in the past three years, Ukraine and Russia have learned and adapted. Both sides have also learned to learn better and to absorb lessons into their military and industrial systems with increasing speed. But the sharing of lessons by both nations has seen the Ukraine Adaptation Battle transform into a global Adaptation War.
3/ A new adversary learning and adaptation bloc has emerged. While not a formal alliance, China, Russia, Iran and North Korea have developed a mesh of different agreements and strategic partnerships that have allowed these authoritarian regimes to construct a connected knowledge market on 21st century strategic competition and conflict.
Read 10 tweets
Nov 8
I have just published my weekly update on modern war and strategic competition. This week: the Battle of Pokrovsk, Russian casualties, deep-strike campaigns, China's 3rd aircraft carrier commissions, as well as my recommended war and national security reads. 1/5 🧵🇺🇦 Image
2/ In #Ukraine, the Battle of #Pokrovsk continues. While an audacious air assault was conducted this week, it is hard to see that it will arrest the overall Russian momentum in enveloping the city. Both Ukraine & Russia are continuing their deep strike operations in the lead up to winter, although Ukraine's strikes are yet to change Putin's strategic calculus about the war.
3/ In the #Pacific, Chinese aggression around #Taiwan continued, albeit at a lower tempo than previous months. The Chinese also commissioned their third aircraft carrier during the week. Taiwan announced several initiatives related to the operation of unmanned systems.
Read 5 tweets
Nov 8
Recently, I returned from my second 2025 visit to Ukraine. It was, as always, both enlightening & inspiring to spend time with Ukrainian military personnel who are innovating & fighting to keep Ukraine free. I published several articles while in #Ukraine, linked below. In this long-ish thread, I cover drone operations. 1/20 🧵🇺🇦Image
2/ During my visit, I published a series of articles. These were at my Substack, Futura Doctrina, and can be read here: mickryan.substack.com/p/ukraine-disp…

I also published a couple of pieces for the Lowy Interpreter, which can be read at this link: lowyinstitute.org/the-interprete… Image
3/ In this thread, as noted above, I will cover my observations and assessments about the operation of autonomous systems in #Ukraine.
Read 20 tweets
Oct 13
Russia has employed missiles similar to Tomahawks since Day 1 of the full-scale invasion. This is NOT escalation. It is just leveling the playing field for a three-year-long Ukrainian long-range strike campaign that has now achieved critical mass and momentum. How have they done this? 1/16 🧵 🇺🇦
msn.com/en-us/news/wor…Image
2/ Back in 2022, when Ukraine received HIMARS, it changed the game. Ukraine could now hit Russia at depth. But it was clear even back then that Ukraine had bigger plans for making Russia hurt through even deeper strikes.
mickryan.substack.com/p/striking-fur…Image
3/ By the 2nd half of 2023, Ukraine’s strategic aspirations for deep strike against Russia were clear. As I wrote back then, “throughout the war the Ukrainian Armed Forces have undertaken a range of adaptations to their force posture, structure and processes to enhance their operational effectiveness.  Their development of more complex, long-range strike capabilities stands out.”Image
Read 16 tweets
Oct 8
The last few years have seen many examples of wartime adaptation. This has occurred in #Ukraine as well as the Middle East. We have also seen nations in Europe, North America and Asia seek to learn and conduct peacetime adaptation. But there is a 3rd form of #adaptation that is crucial. 1/4 🧵Image
2/ This 3rd form of adaptation is that which occurs in the short period between peace and war: Peace to War Adaptation. It is important to understand this form of adaptation because it is the crucial process of learning and change that connects peacetime and wartime adaptation.
3/ The effectiveness or otherwise of Peace to War Adaptation can also influence the trajectory of a war. It is important to ensure governments, industry, the military and society are all prepared for such a rapid cognitive shift.
Read 4 tweets

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