A Memorial Dedication service for Lt. Gen. Kulatunga was held at the U.S. Army War College in Carlisle, Pennsylvania on October 11, 2006.
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On the morning of 26 June, he was killed by a Tamil Tiger suicide bomber who drove an explosives laden motorbike into his official vehicle as it was driving to a military base at Pannipitiya near Colombo.
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The main military decorations Kulatunga received included Rana Sura Padakkama(RSP), Uttama Seva Padakkama (USP), Sri Lanka Armed Services Long Service Medal, Riviresa Campaign Services Medal, Purna Bhumi Padakkama, North and East Operations Medal, Desha Putra Sammanaya amongst others.