Russian recruits arriving on the battlefield in Ukraine survive an estimated 20 to 30 minutes before they are killed or wounded, the CIA director said.
Algeria has become a key customer for Russian arms at a time when Moscow has seen a slump in its military-export business after the invasion of Ukraine.
According to a pro-Kremlin blogger, Russian operatives walked about 9 miles inside the pipeline that Moscow had until recently used to send gas to Europe.