(This content was produced in Russia, where the law restricts coverage of Russian military operations in Ukraine) MOSCOW (Reuters) – Russian airlines, including state-controlled Aeroflot, are stripping jetliners to secure spare parts they can no longer buy abroad because of Western sanctions, four industry sources told Reuters. The steps are in line with advice Russia’s government provided in June http://static.government.ru/media/acts/files/1202206270017.pdf for airlines to use some aircraft for parts to ensure the remainder of foreign-built planes can continue flying at least through 2025. S…