Ever since the Russian annexation of Crimea from Ukraine, tensions have been rising in the Black Sea. NATO and its allies have continued to provide an enhanced forward presence, with significant maritime power and ongoing support and training for the Ukrainian armed forces. Dramatic footage of the first ever US Marine amphibious landing in Ukraine, alongside footage of US Navy ships operating in the Black Sea. Teaser: US Marines perform their first ever amphibious landing in Ukraine alongside their Ukrainian allies in the Black Sea.