Airport Security Unit (Hong Kong)
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The Airport Security Unit (Abbreviation: ASU; Traditional Chinese: 機場特警) is a special branch of the Hong Kong Police tasked with the security of Hong Kong's airport.
Unlike regular officers, the ASU officers, generally regarded as the elite of the Hong Kong Police Force because of their extraordinary physical prowess, bear machine guns and with uniforms similar to tactical or paramilitary units. Unfortunately, a number of officers were exposed in the mid-1990s of posing for photographs for homosexual publications.