It became widely known in Russia , and the West outside the narrow confines of the intelligence community , during perestroika , in part thanks to the writings of `` Viktor Suvorov '' ( Vladimir Rezun ) , a GRU agent who defected to Great Britain in 1978 , and wrote about his experiences in the Soviet military and intelligence services .
`` Viktor Suvorov '' ( Vladimir Rezun ) , a GRU agent who defected to Great Britain in 1978 , wrote about his experiences in the Soviet military and intelligence services .