Ukraine's military has lasted far longer than anyone expected when the war in Ukraine began one year ago. Much of that success comes down to Ukraine's ability to mobilize the energy of the nation, as well as material support from NATO and its allies. On the one-year anniversary of Russia's invasion, GZERO World traveled to the Munich Security Conference and spoke with NATO Deputy Secretary General, Mircea Geoană, for his candid assessment of the state of the war.