Johnson said the system's weight is due to the Army continually adding passive armor
and underbelly kits for urban environments.
But Damon Walsh, executive vice president of Force Protection, says his company is working on "not just passive armor
systems to stop threats, but also more sophisticated active protection systems.
Reactive armor would be far superior to spaced armor, as would passive armor
like that developed for the M8 armored gun system.
Passive armor is made from a wondrous assortment of exotic and Semi-exotic materials -- and it is tough.
The catalog of modern passive armor includes an assortment of composite materials, also called layered, laminated or "Chobham" armor.
Conventional passive armor
is out of the question if the Army wants to keep the weight of the vehicles at less than 20 tons.
Another issue is that trucks generally require small arms protection, in which case, said Aviram, "you are better off with passive armor
In contrast to passive armor
, which is designed to withstand a hit from a round, active protection systems are designed to sense the round and deflect or destroy it prior to penetration (using, for example, ejecting armor plates to alter trajectory) or defeat it in some manner after penetration.