Related time notes
- ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)3:06Interwar escort numbers were a budget choiceNotable Point
- Counter Piracy in China in 1920s & 1930s: Long Patrol Part 228:19Submarines stop the pirate seizure of SS IreneChapter
- Patreon 16: Royal Navy anti-piracy operations of the 1920s & 1930s in the Far East1:37:40Submarines intercepted the pirate-held SS IreneChapter