Complete the following sentence: The 374th maintained a forward operating location at Korat Royal Thai Air Force Base Thailand until 1976. While American combat participation in the Vietnam War ceased with the 1973 ceasefire, airlift continued to play a role in the ongoing war in nearby Laos and Cambodia. While American combat participation in the Vietnam War ceased with the 1973 ceasefire, airlift continued to play a role in the ongoing war in nearby Laos and Cambodia. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Fearful of the loss of an Air Force crew, the United States turned to the use of civilian contract crews, as they had done during the French IndoChina War. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Despite the airlift effort, Phnom Penh fell to the Khmer Rouge on 17 April 1975, just a few days before the Khmer Rouge attacked Phnom Penh. Despite the airlift effort, Phnom Penh fell to the Khmer Rouge on 17 April 1975, just a few days before
<unk> <unk> <unk> <unk>