 In 1985, the "International Cometary Explorer" conducted the first comet fly-by (21P/Giacobini-Zinner) before joining the Halley Armada studying the famous comet.The "Deep Impact" probe smashed into 9P/Tempel to learn more about its structure and composition and the "Stardust" mission returned samples of another comet's tail.The "Philae" lander successfully landed on Comet Churyumov–Gerasimenko in 2014 as part of the broader "Rosetta" mission.