On occasion discretion can dictate the flying of the national flag at half-mast, not only on the Peace Tower, but on all federal facilities. Some examples include 11 September 2001, 11 September 2002, the 2004 Indian Ocean tsunami, the 2005 Mayerthorpe tragedy, the death of Pope John Paul II, the 2005 London bombings, the death of Smokey Smith, the state funerals of former U.S. presidents Ronald Reagan and Gerald Ford, the death of Jack Layton, and the 2020 Nova Scotia attacks.