Russian forces lost a vast numbers of tanks during the first few months of the war, prompting questions over whether they were becoming obsolete.Subscribe to Guardian News on YouTube ► http://bit.ly/guardianwiressubBut the tank has previously appeared to have been consigned to the ash heap of history only to rise again to reaffirm its relevance. Josh Toussaint-Strauss examines Russia’s early deployment during the invasion and asks: if tanks aren’t the problem, why did they fail in Ukraine?