Abraham Gubler dug this out several years ago, a very interesting read.Never heard that story myself (Phantom offered) but I guess that makes sense if a 'modernised Essex class carrier' offered; which was not possible due to carrier crew number requirements being too onerous, amongst other issues; and I don't believe the Essex would be 'modernised' (except by Australia - another burden).
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I'll post it in the RAN thread as well as that's where it belongs.