Milestones in U.S. manned spaceflight

A timeline of significant moments in America's quest to reach for the stars.

Astronaut Alan B. Shepard photographed in flight by a 16mm movie camera inside the Freedom 7 spacecraft on Friday, May 5, 1961. Shepard is just about to raise the shield in front of his face during descent after opening of the main parachute.

NASA/Newscom

May 16, 2011

May 5, 1961: Astronaut Alan Shepard Jr. becomes the first American in space with a 15-minute suborbital flight.

May 25, 1961: President John F. Kennedy declares a national goal of landing a man on the moon within 10 years.

Feb. 20, 1962: John Glenn becomes the first American to orbit Earth.

June 3, 1965: Edward White II becomes the first American to walk in space, attached to a 23-foot tether.

Jan. 27, 1967: Three astronauts die when a flash fire erupts in an Apollo command module during a ground test at Kennedy Space Center in Florida.

Dec. 21, 1968: Apollo 8 becomes the first manned spacecraft to orbit the moon.

July 20, 1969: Neil Armstrong and Edwin (Buzz) Aldrin become the first men to walk on the moon.

Dec. 7-19, 1972: Eugene Cernan and Harrison Schmitt conclude the longest and last stay on the moon – 75 hours – with the Apollo 17 mission.

May 14, 1973: US launches Skylab, its first orbiting laboratory.

July 17-19, 1975: US astronauts and Soviet cosmonauts conduct joint Apollo-Soyuz test project, docking together in space for two days.

April 12, 1981: Shuttle Columbia becomes first winged spaceship to orbit Earth and return to an airstrip landing.

June 18, 1983: Sally Ride becomes first American woman in space (20 years after the first Soviet woman).

Feb. 7, 1984: Bruce McCandless performs man's first untethered spacewalk from the Challenger space shuttle.

Jan. 28, 1986: Shuttle Challenger breaks apart 73 seconds after launch, killing its seven crew members, including teacher Christa McAuliffe.

March 14, 1995: Norman Thagard, riding in a Russian rocket, becomes the first American to visit Russian space station Mir.

June 29, 1995: Atlantis docks with Mir in first shuttle-station hookup.

Sept. 26, 1996: Astronaut Shannon Lucid sets a US record for time in space – 188 days – after returning from Mir.

May 29, 1999: Discovery becomes the first shuttle to dock with the International Space Station (ISS).

Nov. 2, 2000: An American and Russian crew begins living aboard the ISS.

Feb. 1, 2003: Shuttle Columbia breaks apart over Texas 16 minutes before it was supposed to land in Florida, killing all seven crew members.

April 2003: The Ansari X PRIZE Foundation is set up to encourage privately funded human spaceflight.

June 21, 2004: SpaceShipOne becomes the first private manned spacecraft to fly to the edge of space and back. It later wins the $10 million Ansari X PRIZE.

Aug. 9, 2005: Shuttle Discovery ends a 14-day mission, the first since the Columbia tragedy 2-1/2 years earlier, though a chunk of foam that fell from the fuel tank after liftoff prompts NASA to ground the fleet again.

July 4, 2006 - Feb. 24, 2010: Nineteen shuttle flights taxi to and from space, most of them ferrying crew and parts to the ISS.

May 16, 2011: Last scheduled flight of space shuttle Endeavour and the penultimate flight in the shuttle program.

June 28, 2011: Last scheduled flight of Atlantis, ending the US shuttle program.