April 17

This Day in History

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Apr 17, 1970:

Apollo 13 returns to Earth

With the world anxiously watching, Apollo 13, a U.S. lunar spacecraft that suffered a severe malfunction on its journey to the moon, safely returns to Earth.

On April 11, the third manned lunar landing mission was launched from Cape Canaveral, Florida, carrying astronauts James A. Lovell, John L. Swigert, and Fred W. Haise. The mission was headed for a landing on the Fra Mauro highlands of the moon. However, two days into the mission, disaster struck 200,000 miles from Earth when oxygen tank No. 2 blew up in the spacecraft. Swigert reported to mission control on Earth, "Houston, we've had a problem here," and it was discovered that the normal supply of oxygen, electricity, light, and water had been disrupted. The landing mission was aborted, and the astronauts and controllers on Earth scrambled to come up with emergency procedures. The crippled spacecraft continued to the moon, circled it, and began a long, cold journey back to Earth.

The astronauts and mission control were faced with enormous logistical problems in stabilizing the spacecraft and its air supply, as well as providing enough energy to the damaged fuel cells to allow successful reentry into Earth's atmosphere. Navigation was another problem, and Apollo 13's course was repeatedly corrected with dramatic and untested maneuvers. On April 17, tragedy turned to triumph as the Apollo 13 astronauts touched down safely in the Pacific Ocean.

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This Week in History, Apr 17 - Apr 23

Apr 17, 1970
Apollo 13 returns to Earth
Apr 18, 1906
The Great San Francisco Earthquake
Apr 19, 1897
First Boston Marathon held
Apr 20, 1980
Castro announces Mariel Boatlift
Apr 21, 753 B.C.
Rome founded
Apr 22, 1970
The first Earth Day
Apr 23, 1564
William Shakespeare born

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