What are the differences between the terms 'Bristol Gunners' and 'GVA?' - The 'Gloucestershire Volunteer Artillery,' also shortened to 'GVA,' and 'The Bristol Gunners' are synonymous. Many artillery units have been raised in Bristol over the last few centuries and can be generically referred to as Bristol Gunners, however the Gloucestershire Volunteer Artillery are the permanent artillery unit in Bristol from 1859 until today.