Related time notes
- Naval Fire Support of the WWI Western Front: Long Patrol Part 7, M15 Class27:36Rearmament, conversions, and Northern RussiaChapter
- Naval Fire Support of the WWI Western Front: Long Patrol Part 7, M15 Class29:44M23's journey from expeditionary monitor to reserve drill shipNotable Point
- Naval Fire Support of the WWI Western Front: Long Patrol Part 7, M15 Class36:23M27's evolving armament and M28 at ImbrosNotable Point