In 1961 the Soviet Union's Yuri Gagarin, becomes the first human in Space. Since then, over five hundred men and women from forty-one nations have followed in his pioneering path. Yet, even today, only the USA, Russia and China have the capability to launch crewed spacecrafts. Now, India is set to join, this very exclusive club. Mission Gaganyaan, is India's audacious bid to put Indian Astronauts into space. It will make India only the fourth nation with the ability to put humans in space. Gaganyaan is an extremely complex and dangerous mission. As the clock counts down to Gaganyaan, three astronauts, help decode the challenges India's Astronauts will face. The first Indian in space, Rakesh Sharma. NASA's Sunita Williams and Russian Cosmonaut, Oleg Kotov. Mission Gaganyaan is a critical step for India, into the world of space exploration.