SUBMARINES: CHATHAM BUILT
HM Submarine Seahorse
| HMS/m Seahorse: Movements, August 1939 to December 1939 | |||
| August 1939 | In Harbour: Dundee | ||
| 25/08/1939 to 06/09/1939 | War Patrol: Obrestadt Line | ||
| 07/09/1939 to 16/09/1939 | In Harbour: Dundee | ||
| 17/09/1939 to 05/10/1939 | War Patrol: Obrestadt Line & Heligoland | ||
| 06/10/1939 to 17/10/1939 | In Harbour: Dundee | ||
| 18/10/1939 to 31/10/1939 | War Patrol: Norway | ||
| 01/11/1939 to 12/11/1939 | In Harbour: Blyth | ||
| 13/11/1939 to 28/11/1939 | War Patrol: Terschelling | ||
| 29/11/1939 to 26/12/1939 | In Harbour: Blyth | ||
| 27/12/1939 | Sailed for War Patrol off Heligoland & Bight: On Eternal Patrol |
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