May 2012 "...AL-QAEDA has named Australia as a prime target for terrorism by firebombing in an online terrorism and bomb-making magazine..."
Oct 2012 "...Al-Qaeda has been blamed for a recent series of forest fires across Europe, as the head of Russia's Federal Security Service claimed they were set by arsonists as part of the group's low-cost attack strategy..."
From the thread that has just been closed
Would very likely have some relevance to the size of the firefighting fleet, especially after what appears to have been happening in Europe.