 On the morning of 5 January , a 60 @-@ person Marine and Navy <unk> security detail was dispatched from Guam aboard two CH @-@ <unk> Super <unk> helicopters to secure the embassy and prepare for the main evacuation . The two helicopters returned to Guam with the first 61 <unk> . Throughout the day , foreign diplomats and civilians sought refuge at the embassy . Four waves of five CH @-@ 46 Sea Knight helicopters each evacuated the embassy compound shortly after midnight on 6 January . The <unk> were transported to Muscat , Oman , where they disembarked on 11 January . In total , 281 diplomats and civilians from 30 countries were evacuated , including 12 heads of missions ( eight ambassadors and four <unk> d <unk> ) . 
