NASA's Stratospheric Observatory for Infrared Astronomy flew a nighttime checkout flight over northern and central California the first week of March 2013 to conduct verification and validation of aircraft and telescope systems in preparation for instrument commissioning and the Cycle 1 astronomy flights scheduled for spring 2013.
NASA
<a rel="nofollow" class="external free" href="https://www.youtube.com/watch?v=KX5G_wBBMcU">https://www.youtube.com/watch?v=KX5G_wBBMcU</a>