Head prosecutor Fred Westerbeke speaks next to a part of the Buk rocket that was allegedly fired on Malaysian Airlines Flight MH17 during a news conference of the Joint Investigation Team in Bunnik, the Netherlands, on May 24, 2018. (Robin van Lonkhuijsen/AFP via Getty Images) 
The wrecked cockpit of Malaysia Airlines Flight MH17 is presented to the press at the Gilze Rijen air base on Oct. 13, 2015. (Emmanuel Dunand/AFP via Getty Images) 
A stack of preliminary reports by the Dutch Safety Board on the crash of Malaysia Airlines flight MH17 is displayed on Sept. 9, 2014, at the board’s headquarters in The Hague, Netherlands. (Mike Corder/AP) 
Russia has always denied responsibility for the aircraft’s downing, previously suggesting a Ukrainian ground-attack jet or a Ukrainian Buk as likely suspects, although such alternative theories have since been ruled out. (Emmanuel Dunand/AFP via Getty Images) 
People walk among the debris at the crash site of Malaysian Airlines Flight MH17 near the village of Grabovo, Ukraine, on July 17, 2014. (Dmitry Lovetsky/AP) 
The downing of a Malaysian airliner over Ukraine in 2014 killed all 298 passengers and crew on board. (Emmanuel Dunand/AFP via Getty Images) 
Members of a joint investigation team present preliminary results of the criminal investigation into the downing of Malaysia Airlines Flight MH17 in Nieuwegein, on Sept. 28, 2016. (Emmanuel Dunand/AFP via Getty Images)
