This statement is a little disingenuous. With the exception of the Fairey Flycatcher and the postwar Supermarine Attacker and Scimitar, every single seat fighter operated by the RN since the beginning of naval aviation has been either a shared RAF design or an off the shelf USN type. The arguably, very best carrier based piston fighter of all time, the Hawker Sea Fury was a RAF type, and the FAA did just fine with it. Sharing a type with the RAF isn't worthy of Captain Brown's scorn or stigma.
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