제 목    DRQNNMXNVlhEI 이 름    Luke 날 짜    2018/06/28 조 회    1 How long are you planning to stay here? top 10 prescription drugs sold by volume While operators weren't planning for the glitch that cancelled the third landing, such an abnormality was not atypical for such a test flight, said Rear Admiral Mat Winter, program executive officer for unmanned aviation and strike weapons. "It's to be expected," he said.