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INTERNATIONAL SPACE LAUNCHES

Tuesday, January 24, 2012

INTERNATIONAL SPACE LAUNCHES

Successful Space Launches, By Launch Site Country (three-month moving average)

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Successful Space Launches, By Launch Site Country (three-month moving average). If you are a user with a disability and cannot view this image, please call 800-853-1351 or email answers@bts.gov for further assistance.

Successful space launches include all military, commercial, and government launches that deliver a payload to the proper orbit and location.

NOTE: The three-month moving average is the average number of successful launches for the most recent month and two preceding months. Launches per month have been adjusted for a 30-day month. The actual number of launches during a month is multiplied by the ratio of 30 to the number of days in that month to yield the adjusted number of launches for that month.

Successful Space Launches (three-month moving average) Mar-01 Mar-02
United States of America    1.7   2.0
Percentage change from same month previous year -48.48 17.65
Other Countries    2.4   3.7
Percentage change from same month previous year  20.00 54.17

SOURCE: National Aeronautics and Space Administration, National Space Science Data Center, Spacewarn monthly bulletins, available at http://nssdc.gsfc.nasa.gov/spacewarn/.