ImagesMilitary Diamond formation OFFUTT AIR FORCE BASE Neb.– The U.S. Navy’s Blue Angels, an F-18 demonstration team, perform breathtaking stunts in their famous diamond formation on Aug. 29, 2008. (U.S. Air Force Photo by Josh Plueger) More on the Blue Angels at the Center for American Military History. June 28, 2013 Chris Carter Blue Angels, F/A-18 Hornet