[{"n": "NASA Astronaut Group 2", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-2/", "s": "Second NASA astronaut group, selected for Gemini and Apollo."}, {"n": "NASA Astronaut Group 3", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-3/", "s": "Fourteen astronauts selected for Gemini and Apollo programs."}, {"n": "NASA Astronaut Group 4", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-4/", "s": "First NASA astronaut group selected for scientific expertise."}, {"n": "NASA Astronaut Group 5", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-5/", "s": "NASA's 1966 astronaut group, the Original Nineteen."}, {"n": "NASA Astronaut Group 6", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-6/", "s": "Second scientist-astronaut group, nicknamed the Excess Eleven."}, {"n": "NASA Astronaut Group 7", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-7/", "s": "Seven former MOL astronauts transferred to NASA in 1969."}, {"n": "NASA Astronaut Group 8", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-8/", "s": "First NASA astronaut class to include women and minorities."}, {"n": "NASA Astronaut Group 9", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-9/", "s": "First NASA astronaut group with international mission specialists."}, {"n": "NASA Astronaut Group 16", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-16/", "s": "Largest NASA astronaut class, selected for ISS and shuttle needs."}, {"n": "NASA Astronaut Group 21", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-21/", "s": "NASA's 2013 astronaut class with the highest female percentage."}, {"n": "NASA Astronaut Group 22", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-22/", "s": "Twelve NASA astronauts selected in June 2017, nicknamed The Turtles."}, {"n": "NASA Astronaut Group 23", "u": "/e/nasa-astronaut-corps/nasa-astronaut-group-23/", "s": "Twelve candidates selected in December 2021 for NASA training."}]