Board Thread:Unanswered Questions/@comment-3522837-20150516070548

I don't actually trust this, but GameFAQs says that "a Namco official confirmed PJ's death".

Source: http://www.gamefaqs.com/ps2/929935-ace-combat-zero-the-belkan-war/faqs/49637

(Hit END and scroll a bit up to see the question regarding PJ's death) 