You would normally expect to see rats on a ship.... But 1400 British army soldiers, including the brigade nicknamed the Desert Rats , left the UK today for a huge military exercise in Europe on a passenger ferry. Members of the 7th Light Mechanised Brigade and the Scots Guards, who were recently on operations in Oman , took over a DFDS vessel from North Tyneside. Nicknamed the Desert Rats, the brigade had karaoke, a cinema and bingo for entertainment, but no alcohol. They were heading for a