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August 2, 2013
At NASA Space Launch Complex 2 on Vandenberg Air Force Base in California, a worker controls the movement of the Solid Rocket Booster as it is raised to a vertical position. It will then be lifted into the mobile service tower, or gantry, and attached to the Boeing Delta II rocket. The Delta is the launch vehicle for the CALIPSO/CloudSat spacecraft. CALIPSO stands for Cloud-Aerosol Lidar & Infrared Pathfinder Satellite Observation. CALIPSO and CloudSat are highly complementary satellites and together will provide never-before-seen 3-D perspectives of how clouds and aerosols form, evolve, and affect weather and climate. CALIPSO and CloudSat will fly in formation with three other satellites in the A-train constellation to enhance understanding of our climate system. Launch of CALIPSO/CloudSat aboard a Boeing Delta II rocket is scheduled for 3:01 a.m. Sept. 29. Credit: NASA

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