Commonly known simply as the shuttle, the orbiter is both the brains and heart of NASA's Space Transportation System. Hence, the STS before the number of every shuttle flight. About the same size and weight as a DC-9 aircraft, the orbiter contains the pressurized crew compartment (which can carry up to seven crew members), the cargo bay and the three main engines mounted on its aft end.
On April 12, 1981, commander John Young and pilot Robert Crippen roared into space on the first ever shuttle mission. Twenty years earlier on April 12, 1961, cosmonaut Yuri Gagarin ushered in the era of human space flight when he became the first person to orbit the Earth.
Image Credit: NASA
Sept. 24 marks the 82nd birthday of John
W. Young, the only astronaut to fly aboard the Gemini, Apollo and space shuttle
spacecraft. In this 1965 photo, Young is going through last-minute checks
before the mission's March 23 launch. Young was the pilot on this flight, which
was commanded by original astronaut Gus Grissom.
On April 12, 1981, astronauts John Young and Bob Crippen launched into space on space shuttle Columbia on the STS-1 mission--NASA's first mission aboard a reusable spacecraft. STS-1 was NASA's first manned mission since the Apollo-Soyuz Test Project in 1975. 
NASA salutes our country's veterans this Veteran's Day 2011. 
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