Related time notes
- Bruships(Christmas Eve): Naval History Questions answered till the Bru runs out!6:15River-class boats improved on the K class without solving the fleet-submarine problemQ&A
- ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)12:11S, River, mine-laying, and T-class submarine rolesChapter
- 'K' Class Submarines; not such a Kalamity48:59The River class revised the fleet-submarine requirementChapter