The following bit of news was posted a year ago:
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"Admiral Muhammad Afzal Tahir - Chief of the Naval Staff, Pakistan Navy
Pakistan has asked the US to supply it with six Oliver Hazard Perry-class frigates to augment its fleet of surface ships, the chief of Pakistan's naval staff Admiral Muhammad Afzal Tahir has revealed to Jane's.Meanwhile, Pakistan is seeking to progress the delivery of four Chinese Type F-22P or 'Jiangwei II' (Type-053H3) frigates ordered in April 2005, and to decide on the purchase of another four frigates of a still-undefined type, he says.
[Jane's Navy International - first posted to
http://jni.janes.com - 22 March 2007]"
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Then in April 2007 a USN officer said:
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Responding to a question, he said Pakistan had requested to obtain used US naval gunships and frigates which were not currently available. At least for two years, these gunships and frigates could not be provided to Pakistan, he added.
“But this is our priority that as soon as these ships and frigates are available, they will be given to Pakistan,” he said.
http://www.dawn.com/2007/04/17/top8.htm
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I think the PN may be still inclined towards OHP, and if available in perhaps 2009 - they will probably go for it. I just wonder what will arm them? Perhaps RAM & 2x4 Harpoon Block II?