What was the naval quarantine?

The naval quarantine, often referred to in the context of the Cuban Missile Crisis of 1962, was a strategic measure implemented by the United States to prevent the Soviet Union from delivering military supplies to Cuba. President John F. Kennedy announced the quarantine on October 22, 1962, which involved a naval blockade of Cuba to intercept and inspect Soviet ships suspected of carrying missiles. This action heightened tensions during the Cold War but ultimately led to a negotiated resolution, with the Soviets agreeing to withdraw their missiles in exchange for U.S. concessions. The quarantine was a pivotal moment in U.S.-Soviet relations and showcased the potential for nuclear conflict.