LAZY DOG'S BACK 1234567890". The message was sent in all capital letters, since the equipment did not support lowercase. The primary link was accidentally cut several times, for example near Copenhagen by a Danish bulldozer operator, and by a Finnish farmer who ploughed it up once. Regular testing of both the primary and backup links took place daily. During the even hours, the US sent test messages to the Soviet Union. In the odd hours, the Soviet Union sent test messages to the US. The line was used during: 1963 Assassination of President Kennedy 1967 Six Day War between Egypt and Israel 1971 War between India and Pakistan 1973 Yom Kippur War 1974 Turkish Invasion of Cyprus 1979 Soviet–Afghan War 1981 Threat of Soviet Invasion of Poland 1982 Israeli Invasion of Lebanon 1991 Gulf War 2003 Aftermath of Iraq War On October 31, 2016, the Moscow–Washington hotline was used to reinforce Barack Obama's September warning that the U.S. would consider any interference on Election Day a grave matter. Other hotlines with Moscow Another hotline for record communications between Washington and Moscow is part of the American Nuclear Risk Reduction Center and the Russian National Nuclear Risk Reduction Center, which was initiated by Ronald Reagan in 1988. This was done in the aftermath of the Chernobyl Disaster. In 2012, it was announced that a proposal was being negotiated with Moscow to add cyber warfare to the topics to be discussed on the hotline. Since 2007 there has been a hotline between Beijing and Washington and also Beijing and Moscow. At the beginning of the Russian invasion of Ukraine, the United States and Russia created a deconfliction line to prevent miscalculations or escalation. In November 2022, an anonymous U.S. official told Reuters that the line had only been used once in the war. The official said that the line was used to communicate concerns about Russian military operations near Ukrainian infrastructure, but did not elaborate. The official said it was not used when a missile hit Poland. In popular culture In numerous books, movies, video games, etc., the hotline between Washington and Moscow is represented by a red phone, although the real hotline has never been a telephone line. A hotline telephone was depicted in the film Fail-Safe as the "Red 1 / Ultimate 1 Touch phone", and also in Stanley Kubrick's film Dr. Strangelove, both from 1964 and both loosely based