Putin had arrived for the dive a day after clipping a satellite transmitter onto a Beluga whale called on Chkalov island in Russia's far east.

此次潜水的前2天，普京还曾到俄罗斯的远东地区契卡洛夫岛(Chkalov island)，亲自为一头大白鲸安装无线电信号发射器。