However, the military aspects of the school have lessened with time, with a reduced period of preliminary military training, and fewer and fewer students pursuing careers as military officers after leaving the school. On special occasions, such as the military parade on the Champs-Élysées on Bastille Day, the "" wear the 19th-century-style "grand uniform", with the bicorne, or cocked hat, but students have not typically worn a uniform on campus since the elimination of the 'internal uniform' in the mid-1980s. The students also wear "grand uniform" in day-use for special events on the campus, such as important conferences, formal events, or important lessons.