tower systems in cooperation with the modernized RPP testing block and control of tower systems from the level of the commander, which allows operation in hunter-killer mode. Communication A new, digital communication bus was used. The radio has not been replaced by modern model. Other Tank propulsion units were subjected to general repairs, an auxiliary power unit (APU) with a power of 17 kW was installed, in addition to the installation of anti-shrapnel liners, crew safety was improved by the use of an explosion-proof system with cylinders with Deugen-N extinguishing agent and the fire system was modernized by adding a new control panel and cylinders with extinguishing agent, additional transport baskets were mounted outside the turret and adaptation of the evacuation equipment to the tank combat weight increased to 60 tons. Service in Polish Land Forces The first Leopard 2PL tanks were delivered to military units in May 2020. First six vehicles were delivered to the Leopard Training Center () in Świętoszów from 10th Armoured Cavalry Brigade () and other two tanks were delivered to 1st Warsaw Armoured Brigade () in Wesoła. By the end of 2020, 12 Leopard 2PL tanks were delivered to the army. By the end of 2021 the 1st Armored Brigade is the first unit to have a full company in its structures (14 tanks). Previously, the unit had a tank company in the Leopard 2A4 version of the 1st Tank Battalion. By December 2021, 20 machines were delivered. References External links Modernization of the Leopard 2A4 tanks to the Leopard 2PL version, Zakłady Mechaniczne Bumar-Łabędy s.a. (en). Main battle tanks of Germany Main battle tanks of Poland Military vehicles introduced in the 2010s Armoured fighting vehicles of Poland