Looks like the RN is sending 4 HC4 Sea Kings to Afghanistan as part of an increase in aircraft.
http://www.flightglobal.com/articles/2007/02/27/212368/uk-to-expand-afghanistan-commitment-with-additional.html
You can bet this will be watched closely by the Canadian Air Force
http://www.flightglobal.com/articles/2007/02/27/212368/uk-to-expand-afghanistan-commitment-with-additional.html
You can bet this will be watched closely by the Canadian Air Force