Found And Explained on MSN11d
The plane with a propeller in the middle... Martin 262 Convoy Fighter!
Their convoy ships that resupplied fleets, armies, and bases across the world were vulnerable to enemy air attacks and ...
BBC6y
Propeller from RMS Lusitania
The sinking was a major factor that brought the United States in to the war in 1917It ... and her sister-ship Mauretania were originally fitted with three-bladed propellers. In 1908 Mauretania ...