Spaced armour
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Armour with two or more plates spaced a distance apart falls under the category of spaced armour. Spaced armour can be sloped or unsloped. When sloped, it reduces the penetrating power of bullets and
Spaced armour around the turret of a PzKpfw IV
Schürzen spaced armour skirting on PzKpfw III Ausf. M protecting the hull and turret, June 1943
Storage spaces within the spaced armour on a Merkava MBT
Improvised vehicle armour
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Improvised vehicle armour is a form of vehicle armour consisting of protective materials added to a vehicle such as a car, truck, or tank in an irregular and extemporized fashion using available mater
Improvised armour added to a truck by railway shop workers for the Danish resistance movement near the end of World War II
An M4 (105) Sherman with spare track-links welded onto its sloped frontal glacis-plate for additional armoured protection, shown here at Langenberg Liberation Memorial in Ede, Netherlands
A Sturmgeschütz III with added spaced armour and large wooden beams.
A U.S. Army 5-ton cargo truck with improvised armour on the doors, rear gunner's box, and an improved bumper