more about Pashtun Dawn
Brigade in final training for Afghanistan - British Army Website
any chance they were going to/from Chivenor?
and from
http://www.collingbourne-ducis.com/S...%20%284%29.pdf
"23 July to 24 August. Germany based 20 Armoured Brigade conduct their pre-Afghanistan
exercise (PASHTUN DAWN) with 6100 troops and 300+ armoured vehicles plus jets, transport
aircraft and helicopters. Convoys in excess of 80 vehicles may cause delays on tank crossings."