If you want to have a dedicated anti-ship weapon an ASROC pepperbox launched Bullpup is reasonable, and has been rendered on the old board
here.
Surface launching an AGM-12 seems like an odd choice and I expect it would turn out about as well as the other attempts at getting MCLOS missiles to work as ship to ship missiles.
Maybe I should have mentioned in my first post that i was looking for an air launched AshM it would be launched from the Navy's Buccaneers and Vixens from 1968 till the navy would get at first ship launched Exocet then Harpoon and the Buccaneer's Sea Eagle and from Air-force Canberra's modified with wing pylons From 1960(ish) and Buccaneers 1966 (ish) till the Air-Force moved to Martel ('84) then Sea Eagle ('86) and eventually Harpoon ('00's), so i take it that if this was the USN tactic at the time then although Bullpup had some major drawbacks (e.i the launch aircraft having to practically follow the missile using its rear flare to guide it in) it could be used for anti ship roles. till Martel and then Sea Eagle Become available in the early 1980's and eventually settling on Harpoon in the early 00's.
You'll probably want to replace it before then. The US stopped making them in 1969 and by the time the got rid of the last one in the early eighties it was dangerously outdated. Its stand-off rangeis short enough that you have to launch it within your targets AA envelope and you have to fly in a straight line to guide it. Not a winning combination.
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