Leonidovo is a Soviet Air Force base in Sakhalin, Russia located 5 km (3 mi) east of Leonidovo. It is an abandoned military airfield in the remote central area of Sakhalin Island. Declassified KH-7 imagery obtained from the U.S. Geological Survey shows that it existed in June 1966 without much difference compared to today. In recent times (probably 1990s) it was shortened to 2000 m. High-resolution Google Earth imagery shows that the airfield has been decommissioned, with the 2 km (1 mi) runway being used as a storage pad for petroleum industry supplies.