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But first, a little bit of background.
But first a little bit of background.
A bit of background. 
From 1961 to 1974, ROCAF U-2s carried 220 missions under project RAZOR, among which about half of them were over PRC and rest over SEA and North Korea. RoCAF U-2s were operated by 35th Squadron who were famously known as the Black Cat Squadron. 