Ireland lunar sample displays Ireland lunar sample displays The Ireland lunar sample displays are two commemorative plaques consisting of small fragments of moon rock brought back to earth by the Apollo 11 and Apollo 17 lunar missions and given to the people of Ireland by United States President Richard Nixon as goodwill gifts. The Apollo 11 lunar sample display commemorative podium style plaque given to Ireland, once housed at the Dunsink Observatory in Dublin, consisted of four moon rock fragments – rice-size particle specimens that were collected by Apollo 11 astronauts Neil Armstrong and Buzz Aldrin in 1969 – and a small flag that
Buzz Aldrin shot down two MiG-15 aircraft. After earning a Sc.D. degree in astronautics from the Massachusetts Institute of Technology, Aldrin was selected as a member of NASA's Astronaut Group 3, making him the first astronaut with a doctoral degree. His doctoral thesis was "Line-of-Sight Guidance Techniques for Manned Orbital Rendezvous", earning him the nickname "Dr. Rendezvous" from fellow astronauts. His first space flight was Gemini 12 during which he spent over five hours on extravehicular activity (EVA) outside the spacecraft. Aldrin set foot on the Moon at 03:15:16 on July 21, 1969 (UTC), nine minutes after Armstrong first touched the surface,