In the latter part of the #Rhodesian Civil War ZANLA and FRELIMO strategically targeted the one rail link between Rhodesia and South Africa with the intent to disrupt exports and imports to collapse the Rhodesian economy. Defending the rail link was a vital objective – this innovation (picture) was used to inspect the rail lines for explosives or damage. For more detail – The Rhodesian Civil War History Book now on Kindle #FRELIMO #ZANLA #War #Railway #military