The criteria for what constitutes human spaceflight vary. The Fédération Aéronautique Internationale defines spaceflight as any flight over . In the United States professional, military, and commercial astronauts who travel above an altitude of are awarded United States Astronaut Badge. This article follows the FAI definition of spaceflight. Until the 21st century, human spaceflight programs were sponsored exclusively by governments, through either the military or civilian space agencies. With the launch of the privately funded SpaceShipOne in 2004, a new category of human spaceflight programs – commercial human spaceflight – arrived  .
Human spaceflight programs have been conducted, started, or planned by multiple countries and companies. Until the 21st century, human spaceflight programs were sponsored exclusively by governments, through either the military or civilian space agencies. With the launch of the privately funded SpaceShipOne in 2004, a new category of human spaceflight programs – commercial human spaceflight – arrived . , three countries (Soviet Union/Russia, United States and China) and one private company (SpaceX) have launched humans to Earth orbit, and one private company (Scaled Composites) has launched humans on a suborbital trajectory. The criteria for what constitutes human spaceflight vary. The Fédération Aéronautique Internationale defines spaceflight as any flight over . In the United States professional, military, and commercial astronauts who travel above an altitude of are awarded the United States Astronaut Badge. This article follows the FAI definition of spaceflight .
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The criteria for what constitutes human spaceflight vary. The Fédération Aéronautique Internationale defines spaceflight as any flight over . In the United States professional, military, and commercial astronauts who travel above an altitude of are awarded United States Astronaut Badge. This article follows the FAI definition of spaceflight.
Human spaceflight programs have been conducted, started, or planned by multiple countries and companies.
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. , three countries (Soviet Union/Russia, United States and China) and one private company (SpaceX) have launched humans to Earth orbit, and one private company (Scaled Composites) has launched humans on a suborbital trajectory. The criteria for what constitutes human spaceflight vary. The Fédération Aéronautique Internationale defines spaceflight as any flight over . In the United States professional, military, and commercial astronauts who travel above an altitude of are awarded the United States Astronaut Badge. This article follows the FAI definition of spaceflight