In 1986, a groundbreaking international collaboration known as the Halley Armada saw the United States, the Soviet Union, Europe, and Japan launch probes. Their collective mission was to conduct close-up studies of Halley's Comet, a celestial body that makes its appearance near Earth every 76 years.

En 1986, Estados Unidos, la Unión Soviética, Europa y Japón enviaron sondas para estudiar de cerca el cometa Halley, que pasa por la Tierra cada 76 años