United Airlines is planning a special flight this week to Space City to honor the 50th anniversary of the day when the first color-television transmission from space occurred. U.S. astronauts Neil Armstrong, Michael Collins and Edwin "Buzz" Aldrin made history on that date from their Apollo 11 spaceship, which would go on to land on the surface of the moon three days later, on July 20, 1969 — a historic trip that many in the U.S.