The RSN also participated in operations other than war within Southeast Asia and abroad. The Navy deployed its "Bedok"-class mine-countermeasure vessels to search the Musi River for SilkAir Flight 185; served as part of the Australian-led International Force East Timor to address the humanitarian and security crisis in the aftermath of the territory's referendum for independence in 1999; deployed three ships to provide humanitarian assistance and emergency aid to the Indonesian town of Meulaboh in the aftermath of the 2004 Indian Ocean earthquake; and was part of the Multi-National Force – Iraq coalition force maintaining maritime security around key Iraqi installations in the Persian Gulf.