Marxism–Leninism Cuban Revolution, led by Fidel Castro and Ché Guevara, overthrew the régime (1925–1959) of Fulgencio Batista to establish the Republic of Cuba, a Communist state recognised by the Soviet Union. In response, the United States attempted a coup d'état against the Castro government, such as the unsuccessful Bay of Pigs invasion (April 1961), by anti-communist Cuban exiles, sponsored by the CIA. The next year, there occurred the Cuban missile crisis (October 1962), a diplomatic dispute between the United States and the Soviet Union over the presence of medium-range, Soviet nuclear missiles in Cuba. The Soviet Union resolved the nuclear-missile crisis
USS Invade (AM-254) by Savannah Machine & Foundry Co., Savannah, Georgia; launched 6 February 1944; sponsored by Miss Thayer C. Allen; and commissioned 18 September 1944, Lt. H. H. Silliman in command. After shakedown in Chesapeake Bay, "Invade" steamed to Casco Bay, Maine, for training 24 November 1944. Following these operations and additional drills out of Norfolk, Virginia, the minecraft assumed duties there as towing ship for aircraft targets and as an experimental minesweeper. She remained on this important duty through the end of the war and reported 21 September 1945 to the Mine Warfare School at Yorktown, Virginia, as a training ship.