Ukrainian border guards placed a new sign on Snake Island, a strategic piece of land that overlooks sea lanes to Odesa, Ukraine’s main Black Sea port.

“The next border sign will be installed in our Ukrainian Crimea after its liberation by the defence forces of Ukraine,” a uniformed man said, standing before a post painted blue and yellow like the country’s flag, in a video shared on Facebook late on Saturday by the head of the border service, Serhiy Deineko.

The tiny Snake Island became synonymous with Ukrainian resistance in the first hours of Russia’s full-scale invasion of Ukraine after Russian officers on the Black Sea Fleet flagship Moskva radioed Ukrainian guards stationed there and ordered them to surrender or die. One of them radioed back a phrase which included an expletive and became a national slogan, depicted on Ukrainian billboards, T-shirts, and eventually a postage stamp.