He rose to the rank of overseer of the Ordnance Office, the government body responsible for supplying the armed forces with artillery, and it was in this position that he compiled his Roll. In 1549 he was promoted to master surveyor of the ordnance in the Tower, Calais, Boulogne, and elsewhere for life. He continued the work of supplying arms to English forces, and was active in the last month of his life supplying guns for an expedition against Le Havre.[3]