The RAF made an appearance, with flypasts by Mosquitos at 13.00 hrs. In July 1970, a white Tutor was introduced to the formation for flypasts. They often included large-scale flypasts. It featured flypasts by personnel of the Ukrainian Air Force. The 50th and 60th anniversaries of World War II were commemorated with large flypasts. During the flypasts there is a musical accompaniment played through the public address system. Flypasts have often included heritage military aircraft. Some flypasts have been described in broadcast and print media as "historic". Further flypasts occurred on 6 June 1994, celebrating the 50th anniversary of D-Day. Flypasts also demonstrate national pride at landmark entertainment and sporting events. Flypasts are a regular occurrence in the United Kingdom at national events or commemorations.