Engels Air Force Base is a strategic bomber military airbase in Russia located 14 kilometres (8.7 mi) east of Saratov. Engels is a major bomber operations base, and is Russia's sole operating location for the Tupolev Tu-160 strategic bomber. The base has a 3,500-metre (11,500 ft) runway and about 10 large revetments. It is named after the nearby city of Engels, which is named after the Communist philosopher, Friedrich Engels.