Arena (countermeasure)
RUSSIAN ACTIVE PROTECTION SYSTEM FOR TANKS
ARENA-E; Arena defense; Arena APS; Arena (active countermeasures system); Arena active protection system; Arena Active Protection System; Arena (active protection system)
Arena () is an active protection system (APS) developed at Russia's Kolomna-based Engineering Design Bureau for the purpose of protecting armoured fighting vehicles from destruction by light anti-tank weapons, anti-tank guided missiles (ATGM), and missiles with top attack warheads. It uses a Doppler radar to detect incoming warheads.