The Central Air Force Museum is an aviation museum in Monino, Moscow Oblast, Russia. A branch of the Central Armed Forces Museum, it is one of the world's largest aviation museums, and the largest for Soviet aircraft, with a collection including 173 aircraft and 127 aircraft engines on display. The museum also features additional displays, including Cold War-era American espionage equipment, weapons, instruments, uniforms, artwork, and a library containing books, films, and photos is also accessible to visitors.