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2014年6月27日，美国波多黎各比耶克斯，波多黎各国民警卫队（PRNG）的 UH-60A“黑鹰”直升机和舟艇部队训练。（A Puerto Rico National Guard (PRNG) Army Aviation Black Hawk crew flies over two Landing Craft Machines (LCMs) of the Landing Craft Detachment, 191st Regional Support Group. The LCMs left Ceiba, Puerto Rico, and arrived at Vieques, Puerto Rico, on June 27）