Ready, steady, cook... Exercise Army Sustainer, an annual competition organised by 167 Catering Support Regiment Royal Logistic Corps, was held at the Prince William of Gloucester Barracks, in Grantham, today. HRH The Princess Royal saw more than 200 of the Army's top chefs compete in the Army's prestigious Field Catering and Culinary Arts Competition. In an improvised field catering challenge, teams of three chefs whipped up a mouth-watering meal for 20 soldiers using ingredients from operation