Ocean boarding vessels (OBVs) were merchant ships taken over by the Royal Navy during the Second World War for the purpose of enforcing wartime blockades by intercepting and boarding foreign vessels.
Ships
See also Armed boarding steamer – British vessels of similar purpose in First World War Hired armed vessels – British vessels that performed convoy escort duties, anti-privateer patrols, and ran errands during the French Revolutionary Wars and the Napoleonic Wars, and earlier.
Notes
References Cocker, M Aircraft-carrying ships of the Royal Navy, The History Press 2008 ISBN 978-0-7524-4633-2 Colledge, J. J.; Hague, A. & O'Donoghue, K. (August 2021). Osborne, Richard (ed.). "Ocean Boarding Vessels, Part 1". Warships: Marine News Supplement. 75 (8): 420–424. ISSN 0966-6958.