During World War II, the Canadian high command implemented this armoured train for protection of the Canadian National Railway line between Prince Rupert, an important naval port for the Aleutian Island campaign, and Terrace, from potential attack by Japanese aircraft, submarines/gunboats, and infantry.
A diesel engine was also experimentally outfitted with armoured plate but by the time it was finished, the train had been taken out of service as the Japanese threat was no longer an issue.
One train composed of surviving cars of Civil War and WWII vintage is now an exhibit at Parola Tank Museum.
Armored train at Parola Tank Museum Asien - a VIP trainset used by Hermann Goering had two cars armed with two sets of Oerlikon anti-aircraft cannons.
This Rail Panzer was used to escort the train from Ciawi to Cicalengka (PP) which was often disturbed and overthrown by DI/TII Troops.
From late 1940 until 1942 they were operated by railway company crews and armoured wagons were manned by troops of the Polish Armed Forces in the West.
It was manned by the 6th Battalion, Somerset Light Infantry and credited with shooting down a Messerschmitt Bf 109, a Heinkel He 111 and a Dornier Do 17.
[15] Armoured saloons were constructed by the London, Midland and Scottish Railway for King George VI and his wife Queen Elizabeth in 1941.
In Malaya in 1942, an armoured train was part of Operation Krohcol, the British advance into Siam to resist the Japanese attack.
While not a train intended for fighting, between 1957 and 1987 the United States Department of Energy operated the armored "White Train" carrying nuclear warheads between the Pantex Plant near Amarillo, Texas and various nuclear weapons storage facilities and US Navy submarine bases in the United States.
Locomotives were supplied by the carrying railroad, commonly the Atchison, Topeka & Santa Fe or Burlington Northern.