Thunderbirds performance cut short after object falls from plane August 20, 2005 — The U.S. Air Force Thunderbirds canceled an aerial performance Sunday because of safety concerns following a midair accident at the Chicago Air and Water Show that sent an object on one of the group's F-16s plummeting into Lake Michigan. The aerial acrobatic team cut short their performance Saturday when two of the jets made contact while they were flying in formation and a missile rail was dislodged. On Sunday, the team announced that it would not perform again until an...