Reds is a multifaceted term, most notably used as a political adjective for supporters of communism or socialism, and was historically applied by US newspapers to refer to the USSR or China during the Cold War. In culture, it is the title of the 1981 American film Reds starring and directed by Warren Beatty, and historically it named a faction of Polish insurrectionists in the January Uprising of 1863. The term also encompasses the barbiturate drug secobarbital and the Royal Air Force's aerobatics display team, the Red Arrows. In sports, the name is officially used by teams like the Cincinnati Reds (Major League Baseball) and the Queensland Reds (rugby union), while serving as an unofficial nickname for numerous clubs, including Liverpool F.C., Manchester United (as Red Devils), and FC Bayern Munich. Finally, the concept is related to the Red Scare and RED-S (Relative Energy Deficiency in Sport), highlighting its wide-ranging impact across politics, medicine, and athletics.