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Singaporean AH-64 Apache helicopters perform during media preview of the Singapore Airshow at Changi Exhibition Centre in Singapore, Feb. 9, 2020. The airshow will be held from Feb. 11 to 16. (Photo by Then Chih Wey/Xinhua)
Singaporean AH-64 Apache helicopters perform during media preview of the Singapore Airshow at Changi Exhibition Centre in Singapore, Feb. 9, 2020. The airshow will be held from Feb. 11 to 16. (Photo by Then Chih Wey/Xinhua)