The flight crew of the SOFIA 747SP keeps the aircraft on course during a July 2013 mission in the Southern Hemisphere skies.
NASA/Carla Thomas
<a rel="nofollow" class="external free" href="http://www.nasa.gov/mission_pages/SOFIA/multimedia/imagegallery/index.html#lowerAccordion-set2-slide13">http://www.nasa.gov/mission_pages/SOFIA/multimedia/imagegallery/index.html#lowerAccordion-set2-slide13</a> (<a rel="nofollow" class="external free" href="http://www.nasa.gov/sites/default/files/ed13-0220-314.jpg">http://www.nasa.gov/sites/default/files/ed13-0220-314.jpg</a>)