U.S. celebrates 55 years since Apollo 11 moon landing
This weekend marks 55 years since the historic Apollo 11 moon landing. Retired NASA astronaut Leroy Chiao joins CBS News to look back on the small step for man and giant leap for mankind.
This weekend marks 55 years since the historic Apollo 11 moon landing. Retired NASA astronaut Leroy Chiao joins CBS News to look back on the small step for man and giant leap for mankind.