Nimrod R1s, were always referred to as R1s. But officially they didn't exist. None of the others have ever been known as R1s. Just Shadows, Sentinels, etc....
Edited for pedantry: I am referring to what people in service call them, not the official RAF designation.
Edited for pedantry: I am referring to what people in service call them, not the official RAF designation.
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