RAF flying aces take part in celebrations marking America’s 250th birthday, with events held across the United States to observe the anniversary. Reports say thousands of activities are scheduled nationwide as the country commemorates the milestone. One outlet describes how aircraft paint the sky in red, white and blue, linking the RAF participation with the national color scheme used during festivities. The coverage also notes that many parts of the US experience warm conditions during the period of events, with the country sweltering as celebrations take place.