The U.S. Navy flight demonstration squadron, the Blue Angels, perform a delta loop break cross maneuver during a practice flight

110707-N-BA418-115
PENSACOLA, Fla. (July 7, 2011) The U.S. Navy flight demonstration squadron, the Blue Angels, perform a delta loop break cross maneuver during a practice flight over Pensacola Beach. The Blue Angels are scheduled to perform in the 2011 Pensacola Beach Air Show July 9 as part of the Centennial of Naval Aviation. (U.S. Navy photo by Mass Communication Specialist Andrew Johnson/Released)

110707-N-BA418-115
 PENSACOLA, Fla. (July 7, 2011) The U.S. Navy flight demonstration squadron, the Blue Angels, perform a delta loop break cross maneuver during a practice flight over Pensacola Beach. The Blue Angels are scheduled to perform in the 2011 Pensacola Beach Air Show July 9 as part of the Centennial of Naval Aviation. (U.S. Navy photo by Mass Communication Specialist Andrew Johnson/Released)