I Want to Be an Astronaut

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Across
  1. 3. institutions where a particular kind of task takes place
  2. 4. an artificial setup that imitates a real situation
  3. 5. to move something skillfully
  4. 6. based on the most up-to-date technology
Down
  1. 1. in space terminology a specific flight and all the activities related to it
  2. 2. the science of knowing how to plot a course for a ship, an aircraft, or a spaceship