I thought that the Westland Lynx HAS3/ICE was unarmed and used for Antarctic surveys and stuff.But I was looking at some Lynx pics and I found these.
http://www.the-grey-lynx.com/9_england/photos_uk_xz238_2.htm
http://www.the-grey-lynx.com/9_england/photos_uk_xz238.htm
Just thought that this was a little bit confusing.