Russia's military: Once unwieldy and dated, now streamlined and lethal

In this edition of Tech 24, we compare the two militaries of Russia and Ukraine, as fears of an invasion remain high. It's no surprise that the Russian arsenal far outstrips Ukraine's in terms of numbers, but Moscow has also come a long way in modernising its weaponry and support equipment. It now boasts long-range precision missiles, a huge fleet of tanks, as well as modern, high-manoeuvrability aircraft. So what can Ukraine do to defend itself? Peter O'Brien takes a look.