Posted By: F4UDash4
The Mach 3 Phantom - 02/20/18 05:43 AM
The Mach 3 Phantom
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Designated RF-4X, this version of the Phantom was now capable of cruising at Mach 2.4 at high altitude with burst capability to Mach 3.2. This level of performance now began to alarm the US State Department- up to this point Mach 3+ aircraft were the sole purview of the United States and Soviet Union and in some diplomatic circles there were concerns about the Israelis integrating nuclear weapons delivery with the RF-4X.