Operation Halo
Operation Halo was the Canadian Forces contribution of 500 personnel and 6 CH-146 Griffon helicopters to Haiti in March 2004 as part of the United Nations Stabilization Mission in Haiti to assist in stabilizing the country following February's 2004 Haitian coup d'état . 
<triplet> 2004 Haitian coup d'état <subj> Haiti <obj> country