US Navy "Blue Angels" F/A-18E 'Super Hornets' 4-plane Diamond 'Barrel Roll Break' maneuver.
Photographed from 18th Street and 19th Avenue N., Fargo. (NDSU Reseach & Technology, parking lot)

'Barrel Roll Break' maneuver: Ingressing from in front of the crowd 2000’ crowd right, the diamond formation will commence a vertical climb. Approaching 1.7 nautical miles from Center Point, they will roll the formation 90 degrees to the left and complete the back side of the looping maneuver. As the formation passes through the horizon at approximately 500' AGL, they will split in three separate directions. 1 and 4 will exit out the show line while 2 and 3 egress 90 degrees in front of and behind the crowd respectively. The rendezvous will be conducted behind the crowd.