Sea of Troubles: Azov emerging as 'tinderbox' in Russia-Ukraine conflict One recent summer morning, four Ukrainian Sea Guards peered out from a speeding patrol boat nicknamed Little Boy. Bubbly pop hits from the 1990s blared over the hum of the engine propelling them through the choppy swells of the Sea of Azov. The airy tunes contrast sharply with the rising tension in this sea, stoked, Ukraine says, by its powerful and ever-encroaching foe lurking in the waters: Russia. 337 0 Previously in trend: Russian aggression against Ukraine