Public Gatherings Victims of Terrorism Victims September 11 Victims of Violence Sports Events Community Gatherings Victim Memorials September 11 Attacks Public Ceremonies Anniversaries Paris Attacks Terrorism PSA Flight 182 Memorial Oklahoma City National Memorial Sports Memorials Workplace Incidents Cultural Memorials Peace Memorial Park Kranzniederlegung Massacres Aviation Pioneers War Victims War Memorials Peace Parks September 11 Memorial Hibaku Piano Bicycle Events Lemnos Stamp Unveiling 9/11 Memorials Sculpture Unveiling 9/11 Memorial Human Rights Events Nupee Lal Memorial Complex Campus Events Cultural Events Community Events November 13 Attacks Day of Remembrance Tributes World War I Homage Ceremonies Silent March Fire Department Events October 7 Massacre Hamas Massacre Commemoration Ceremonies Halle Attack Memorial Victims' Tributes Public Figures Historical Events Holocaust Memorials Public Demonstrations Paolo Borsellino Commemoration Military Memorials Activist Gatherings
The ceremony underscored reforms that reshaped air-traffic collision avoidance.
