ImagesMilitary Diamond formation June 28, 2013February 21, 2015 Chris Carter 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. Related Content