Hussein of Jordan Nasser to reclaim the Iraqi throne, but it was recalled after it was inside Iraq. Hussein, worried about a similar coup in Jordan, tightened martial law. American troops landed in both Lebanon and Jordan as a show of support for pro-Western regimes in the region against the Nasserist tide. By October, the situation had calmed, and Western troops were recalled. Hussein went on a vacation to Switzerland on 10 November. As he was flying his own plane over Syria, it was intercepted by two Syrian jets that attempted to attack. Hussein outmaneuvered the Syrians and survived the assassination attempt, landing
Hussein, Crown Prince of Jordan otherwise. Hussein thus became heir apparent as soon as his half-uncle lost the status, and analysts widely expected the King to bestow the formal title on Hussein. The title was conferred on 2 July 2009, when a royal decree naming him as crown prince, effective immediately, was issued. Unlike the King's, the Crown Prince's role is mostly ceremonial under the Constitution, and the title is not associated with any political post. Hussein performed his first official engagement in June 2010, when he represented his father at the celebrations of the anniversary of the Arab Revolt and the Armed Forces Day.