When the "Thud" was using for displaying, rather than bombingIn December 1960, the F-105 Thunderchief officially entered USAF. The displaced B-models were reassigned to training units — and to the Thunderbirds, who began operating them in 1964. The big fighters proved powerful, stable, and spectacular. The official 1964 season opened with six shows, starting on April 26 up to May 9The very next day, May 10, at Hamilton AFB, California, disaster struck. After a flyover and formation split for lan