Plaid Cymru's leader and the first minister clashed on 26 June 2012 over his comment that Britain's nuclear-armed submarine would be "more than welcome" in Wales if they left Scotland.
Carwyn Jones made the remark during the previous first minister question session in the assembly chamber on 19 June.
Leanne Wood AM asked Mr Jones how many jobs would be lost and companies put off locating in Milford Haven if the Trident submarine was relocated to the area.
Ms Wood highlighted that 31 years ago, Wales declared itself a nuclear free country.
She said "you are meant to speak for the people of Wales" but asked Mr Jones whether on this occasion was he "just speaking for yourself".
The first minister responded by asking Plaid Cymru's leader whether she is against welcoming any defence jobs to Wales, and ensured that the government will continue to look for ways to secure jobs for Wales in the future.
Mr Jones added that there are "issues Plaid Cymru need to address to regain credibility".
This statement was in reference to comments made on twitter by Bethan Jenkins AM, where she described Sinn Fein's Martin McGuinness as "naive" for agreeing to meet the Queen, and after Argentine diplomats tried to win the support of Elfyn Llwyd MP for their claim to sovereignty over the Falkland Islands.
Both Conservative and Liberal Democrat leaders asked about Wales' record of attracting foreign investment.
These questions were a response to the recent publication of a report by Ernst & Young, which shows that Wales is bottom of the UK inward investment table.
Kirsty Williams AM said that in "2003 we were punching above our weight" with regard to inward investment, and asked the first minister "what has gone wrong with your approach?".
The Welsh Government's plans to tackle premature deaths by smoking were also discussed during the session.
Conservative AM William Graham asked whether the first minister would consider extending the 'no smoking day' to a 'no smoking month'.
The first minister said that the idea "has merit in principle" and that he would "look at the matter further".
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