- Leroy Chiao: Past tragedies put Thursday's SpaceX explosion into perspective
- Investigation will find root cause of blast, and can-do spirit will revive SpaceX
Leroy Chiao is a former NASA astronaut and commander aboard the International Space Station. During his 15-year career, he flew four missions into space, three times on space shuttles and once as the copilot of a Russian Soyuz spacecraft to the International Space Station. On that flight, he served as the commander of Expedition 10, a six-and-a-half month mission. He has performed six spacewalks, in both US and Russian spacesuits, and has logged nearly 230 days in space. The opinions expressed in this commentary are solely those of the author.
(CNN)The dream of flight began with early humans, who watched birds dart back and forth and soar high above. This dream extended to spaceflight, as humans realized that there is more above than just our sky, that the stars are like our sun and that there are planets orbiting those stars.