The ER-2 from NASA’s Dryden Aircraft Operations Facility in Palmdale, Calif., will carry two instruments, the Cloud-Aerosol Transport System (CATS) and the Multiple Altimeter Beam Experimental Lidar (MABEL). CATS and MABEL are test beds for instruments to be carried by future satellite missions, and because they are both high-altitude laser instruments they will share space on the ER-2 in part as a way to lower costs for both teams. (Credit: NASA/Brea Reeves)

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