The Rosomak exists in several notable variants to this point. The basic infantry fighting vehicle (IFV) is the KTO Rosomak and identified by its Oto Melara Hitfist-30P powered turret. The turret sports the 30mm ATK Mk 44 Bushmaster II series chain gun autocannon as well as a 7.62mm UKM-2000C series general purpose machine gun in a coaxial installation. The 30mm armament can handle light armored vehicles with high-explosive (HE) and armor-piercing (AP) projectiles as well as fortifications housing enemy elements. The 7.62mm machine gun can manage enemy infantry concentrations as needed.
Poland's involvement in the War in Afghanistan forced the development of a theater-based version known as the Rosomak-M1M. This version was differentiated from the original base form by the installation of improved communications gear, external video cameras tied to internal screens, a Pilar directional fire detection system, additional armor protection, an optional Rocket-Propelled Grenade (RPG) steel cage "netting" to help defeat incoming projectile grenades and wire cutters fitted to at the driver and commander hatches. As all of these additions ultimately changed the basic design - that is, produced a heavier end-product - the Rosomak-M1M lost its amphibious capabilities (including its water propeller systems).
The KTO Rosomak-M3 became a dedicated armored personnel carrier (APC) variant. This design, like the M1M before it, was also brought about due to the Polish involvement in Afghanistan and follows closely the changes already witnessed in the M1M version. However, the M3 is completed with a lighter open-air turret and fits a dual weapon station armed with a 40mm Mk 19 automatic grenade launcher as well as a 12.7mm NSV series heavy machine gun. The weapons are intended for point defense of embarking/disembarking troops and can supply cover and suppression fire as needed.
The KTO Rosomak-S variant is similar to the M3 in that it was developed as an armored personnel carrier and intended for the carrying of anti-tank infantry teams into battle. The KTO Rosomak-WD is being developed as a battlefield command vehicle with limited armament facilities though much increased communications capabilities. The KTO Rosomak-Lowcza is a known dedicated mobile air-defense vehicle.
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