What are the popular science entries in "Incredible Country" and "Space Warrior"?

Popular science entries about "Incredible Power, Heavy Weapon, Space Warrior" include: space warrior, rocket engine, manned spacecraft.

1, Space Warrior: A brave and well-trained astronaut who performs various tasks in space.

2. Rocket engine: an engine used to provide thrust to push rockets into space and perform space missions.

3. manned spaceship: A spaceship specially designed to transport astronauts for space missions.