As a demonstration of the country’s military air offensive, and defensive, capabilities, the Singapore Air Force flies past the parade with many of its military aircraft. The flypast has been a part of the day, visible over much of Singapore, since 1970. Later in the day, an amazing show follows the theme of the parade. The show consists of three main acts and ends with the Grand Finale that often includes a theme song. The day concludes with a huge fireworks display, mass pledge taking and the singing of the National Anthem. Post-parade parties are held in the evening and feature top celebrity acts. These congratulate and encourage the participants of the parade for their contribution to the amazing day.