A team of ICAO investigators is expected to be dispatched this week to assist in the search for what brought down Malaysia Airlines Flight MH17 in eastern Ukraine on July 17. The Ukraine government officially requested the Montreal aviation organization’s help on July 18. Under ICAO’s Annex 13, the country where the accident happens is primarily responsible for conducting the investigation, unless, as in this case, that country requests additional assistance. Malaysia drew criticism for not swiftly requesting assistance when Malaysia Airlines Flight MH370, another 777, vanished on March 8 this year.