Details salvage operation to raise world’s first underwater aircraft carrier.
Contact with HMS M2 was lost in January 1932 during routine exercise.
All of the vessel’s 60-strong crew lost their lives in the tragedy.
Royal Navy diver's logbook offers fascinating insight into life on World War One submarine that sank when the door wasn't closed properly | Mail Online
Contact with HMS M2 was lost in January 1932 during routine exercise.
All of the vessel’s 60-strong crew lost their lives in the tragedy.
Royal Navy diver's logbook offers fascinating insight into life on World War One submarine that sank when the door wasn't closed properly | Mail Online
