Random triples
| Subject | Object |
|---|---|
| gptkb:Gemini_9 | first to use a hand-held maneuvering unit |
| gptkb:Gemini_4 | demonstrated capabilities for future missions |
| gptkb:Eugene_Cernan | First spacewalk by an astronaut who later walked on the Moon. |
| gptkb:Gemini_4 | milestone in human space exploration |
| gptkb:Edwin_Aldrin | demonstrated capabilities for future missions |
| gptkb:Gemini_4 | paved the way for future spacewalks |
| gptkb:Edward_White | demonstrated capabilities of astronauts in space |