Two Northrop Grumman MQ-4C Triton unmanned aerial vehicles are seen on the tarmac at a Northrop Grumman test facility in Palmdale, Calif. Triton is undergoing flight testing as an unmanned maritime surveillance vehicle. (U.S. Navy photo courtesy of Northrop Grumman by Chad Slattery/Released) 130521-O-ZZ999-110
Chad Slattery
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/usnavy/8803726198/">https://www.flickr.com/photos/usnavy/8803726198/</a>