 Complete the following phrase:  Gomm joined Sir Arthur Wellesleys army, again as assistant quartermaster-general, and fought at the Battle of Roliça and the Battle of Vimeiro in August 1808 during the Peninsular War. After the Convention of Sintra Gomm returned to Portugal and served on Sir John Moores staff at the Battle of Corunna in January 1809. Gomm was also on the Earl of Chathams staff during the disastrous 