Complex sentence: In 1914, led by Captain Boris Vilkitsky and Colonel I. Sergeev, the "Vaygach" and the "Taymyr" tried to force the whole Northern Passage in order to reach Archangelsk.
Split into simpler sentences: In 1914, led by Colonel I. Sergeev, the "Vaygach" sailed together with the "Taymyr", whose Captain was Boris Vilkitsky. Togethere, they tried to force the whole Northern Passage in order to reach Archangelsk.