 Complete the following phrase:  Lillie joined the 6th Warwickshire Regiment of Foot in 1807 as an ensign. The following year he embarked under Sir Brent Spencer in first expeditionary force to Portugal for service in Barbary, Cadiz and the Tagus. He joined the Lusitanian Legion of the Portuguese Army in the rank of captain, when still only 19 years old, under the watchful eye of Lieutet-General William Carr Beresford, who raised the famous élite corps of light infantry, the Caçadores. Having taken part in engagements in defence of Portugal, Lillie was promoted lieutet in 1810. He fought at the Battle of Bussaco and took part in the retreat to the Torres Vedras Lines. In 1812 at the Battle of Salamanca, he was reputed to have personally seized the Colours of the 116th French Line Regiment during the struggle for Arapiles. As commander of the 7th Caçadores, he led his troops into the Battle of the Pyrenees, Battle of Nivelle 1813, 