NASA / TOM MILLER / SCIENCE PHOTO LIBRARY NASA / TOM MILLER / SCIENCE PHOTO LIBRARY
Global Hawk unmanned aerial vehicle (UAV), operated by NASA, on a flight to check instruments for the 2014 ATTREX (Airborne Tropical Tropopause Experiment) Pacific Stratospheric Mission. This is Global Hawk 872. Yellow-and-black pods housing the Hawkeye cloud particle probe instruments for this mission are mounted underneath the wings. This aircraft has a wingspan of 35 metres. Developed between 2001 and 2005 by Northrop Grumman for US military surveillance, Global Hawks have been used by NASA since 2009. Photographed on 20 December 2013.
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