1) In 1970, Soviet submarines visited the Port of Cienfuegos in Cuba and a Soviet flotilla was photographed entering the port, concerning US officials. 2) The US planned a diplomatic approach to ask the Soviets to dismantle the new Cuban facility, with trade sanctions as a next step if they did not comply. 3) If trade sanctions did not work, the US considered building a nuclear base in Turkey or near the Black Sea to pressure the Soviets into dismantling the Cuban facility. 4) Alerting the media about the plans was seen as a final attempt to create global pressure and avoid another Cuban Missile Crisis situation.