He returned to Portugal in 1808 , commanding the Royal Engineers of the Peninsular army .
Sent on a mission to Portugal in 1806 , he was the commanding engineer at the Battle of Montevideo in 1807 , under the overall command of John Whitelocke .
engineer returned to Portugal in 1808 , commanding the Royal Engineers of the Peninsular army .
Sent on a mission to Portugal in 1806 , he was the commanding engineer at the Battle of Montevideo in 1807 , under the overall command of John Whitelocke .