Don't know about any of that, but if there is an increased threat, it's most probably aided and abetted by Iran-or elements within it's complex security/intel structures.
Who are the real winners in this now nearly 6 year folly.
And don't let any politico/think tank person who thought this was all such a good idea, tell you any different.
A Channel 4 programme shown in the UK yesterday, did feature the reporter (along with UK Foreign secretary David Milliband), flying around in a RAF chopper but in all honesty, what they showed in countermeasures, did not look too different from any other operational theater, from Afghanistan to RAF helicopters in Northern Ireland in the 1980's and 90's.
There just so many man-portable SAM's out there, in these theaters, from the 'AK-47' of the MANPAD world, the old, largely now ineffective SA
-7 (and it's Chinese copy), to rather more effective SA
-16 models onwards.
With likely a whole bunch of groups involved in their supply and use.
Let's just hope it is the case that all those Stingers the US supplied to Afghanistan in the 1980's, really are time expired in the area of critical components. (Though apparently, there were reports that a US chopper was brought down by one in Afghanistan as late as 2002).
But it does seem that gun and RPG fire has really been the most effective in terms of damaging or bringing down choppers, due really because there are just so many RPG's out there (the 'AK-47' of the anti tank rocket world).
These were never seen as a real threat to choppers before the US action in Somalia in 1993, although in truth only really close up in urban environments.
(Which seemed to be forgotten until Iraq in 2003).