Russia's Tank Dilemma: Outdated T-55s or Invest in a Bigger Army?

Russia is pulling out 70-year-old T-54/55 tanks from long-term storage to deploy in Ukraine as a short-term solution to the shortage of tanks caused by the country's struggling tank factories. The tanks are considered expendable and won't last long in combat with the increasingly experienced and well-equipped Ukrainians. The shortage of high-tech components, owing in part to foreign sanctions, has throttled Russia's imports, and it could take months or years to increase the supply of tank components.