Information: - Rear Admiral David Kenneth Bawtree , CB DL BSc ( Eng ) CEng FIEE FIMechE ( born 1 October 1937 ) was Civil Emergencies Adviser to the Home Office 1993 - 1997 . He moved on to become the Chairman of Portsmouth Hospitals NHS Trust . As a Weapon Engineering Officer , he was Director Naval Engineering Training 1987 - 1990 , and Flag Officer and Naval Base Commander Portsmouth 1990 - 1993 . Apart from his other roles he is the Technical Director of Visor Consultants Limited . - Fareham is a market town at the north-west tip of Portsmouth Harbour, between the cities of Portsmouth and Southampton in the south east of Hampshire, England. It gives its name to the borough that comprises the town and its surrounding area. It was historically an important manufacturer of bricks (notably used to build the Royal Albert Hall, London) and a grower of strawberries. Current employment includes retail (including Fareham Shopping Centre with around 100 shops), small-scale manufacturing, and defence (with the Royal Navy's and the Ministry of Defence's Defence Science and Technology Laboratory nearby). - Portsmouth is a port city in the ceremonial county of Hampshire on the south coast of England. Located mainly on Portsea Island, south-west of London and south-east of Southampton, it is the United Kingdom's only island city. It has a population of 205,400, and is the only city in the British Isles with a greater population density than London. The city forms part of the South Hampshire built-up area, which also covers Southampton and the towns of Havant, Waterlooville, Eastleigh, Fareham, and Gosport. - Hampshire (; abbreviated Hants, archaically known as the County of Southampton) is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, the former capital city of England. Hampshire is the most populous ceremonial county in the United Kingdom (excluding the metropolitan counties) with almost half of the county's population living within the South Hampshire conurbation which includes the cities of Southampton and Portsmouth. The larger South Hampshire metropolitan area has a population of 1,547,000. Hampshire is notable for housing the birthplaces of the Royal Navy, British Army, and Royal Air Force. It is bordered by Dorset to the west, Wiltshire to the north-west, Berkshire to the north, Surrey to the north-east, and West Sussex to the east. The southern boundary is the coastline of the English Channel and the Solent, facing the Isle of Wight. - Rear admiral is a naval commissioned officer rank above that of a commodore and captain, and below that of a vice admiral. It is generally regarded as the lowest of the "admiral" ranks, which are also sometimes referred to as "flag officers" or "flag ranks". In many navies it is referred to as a two-star rank (OF-7). - Vice admiral is a senior naval flag officer rank, equivalent to lieutenant general and air marshal. A vice admiral is typically senior to a rear admiral and junior to an admiral. In many navies, vice admiral is a three-star rank with a NATO code of OF-8, although in some navies like the French Navy it is an OF-7 rank, the OF-8 code corresponding to the four-star rank of squadron vice-admiral. After reading the paragraphs above, we are interested in knowing the entity with which 'david bawtree' exhibits the relationship of 'military branch'. Find the answer from the choices below. Choices: - air force - army - navy - royal air force - royal navy
The answer to this question is:
royal navy