Shortly after Jordan joined the international coalition against ISIL in mid-September 2014, the country's security apparatus foiled a terror plot targeting civilians in Jordan. Shortly afterwards, Abdullah said in an interview that the country's borders with Iraq and Syria were "extremely safe". In late December 2014, a Jordanian F-16 fighter jet crashed near Raqqa, Syria, during a mission. A video was posted online on 3 February 2015, showing captured Jordanian pilot Muath Al-Kasasbeh being burned to death in a cage; throughout January, Jordan had negotiated for Al-Kasasbeh's release. The terrorist group reportedly demanded the release of Sajida Al-Rishawi in return, a suicide bomber whose belt failed to detonate in the 2005 Amman bombings. Al-Kasasbeh's killing spurred outrage in the country, while the King was away in a state visit to the United States. Before returning to Jordan, Abdullah swiftly ratified death sentences previously handed down to two imprisoned Iraqi jihadists, Sajida Al-Rishawi and Ziad Al-Karbouly, who were executed before dawn of the next day. The same evening, Abdullah was welcomed in Amman by cheering crowds who lined along the airport road to express their support. His decision also garnered international support. As commander-in-chief, Abdullah launched Operation Martyr Muath, a series of airstrikes against ISIL targets during the following week targeting weapons caches, training camps and oil-extraction facilities. His retaliation was praised on the Internet, where he was dubbed "The Warrior King". Rumors had circulated that he personally led the sorties.