Sailors assigned to the avionics work center of the Navy Flight Demonstration Squadron, the Blue Angels, troubleshoot a heads up display during a morning turns evolution in El Centro, Calif., on Jan. 20, 2011. The Blue Angels are deployed to El Centro to prepare for the upcoming air show season.

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Photo credit: © Vital Archive / Alamy / Afripics
License: Licensed
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Keywords: angels, archive, armed, blue, centro, defence, demonstration, el, flight, forces, military, morning, navy, reportage, sailors, servicemen, squadron, turns, usa