EntityQ5634728· pop 6· linked from 81 articlesHMS UmbraSign in to save1941 U-class submarineConnectionsVickers-ArmstrongsEntityU-class submarineEntityTunisiaCountryMediterranean SeaEntityInternational Standard Book NumberEntitysubmarineEntitySousseEntityOCLC, Inc.EntityRoyal NavyEntitycargo shipEntityFrench NavyEntitySoviet NavyEntityBarrow-in-FurnessEntityHarperCollinsEntitygross register tonnageEntityRoyal Netherlands NavyEntityRoyal Norwegian NavyEntityGulf of HammametEntityRoyal Danish NavyEntityHellenic NavyEntityCategories1941 shipsBritish U-class submarinesRoyal Navy ship namesShips built by Vickers-Armstrongs at Barrow in FurnessShips built in Barrow-in-FurnessWorld War II submarines of the United Kingdom