Lyachin was promoted to the rank of Captain 1st Rank in 1996 and given command of the '' Voronezh '' 's sister ship , the ill-fated K-141 '' Kursk '' , the very last Project 949A submarine to be completed , which had been commissioned only two years earlier . When the '' Kursk '' sank on August 12 , 2000 , Lyachin perished along with the rest of the 117 crew members
sank
Kursk submarine disaster
Gennady Lyachin