Arena is an active protection system developed at Russia's Kolomna-based Engineering Design Bureau for the purpose of protecting armoured fighting vehicles from destruction by light anti-tank weapons,
The system is designed to defeat light anti-tank weapons, such as this RPG-7.
Arena-E on BMP-3 model, 2008
The T-80 is a main battle tank that was designed and manufactured in the former Soviet Union and manufactured in Russia. The T-80 is based on the T-64, while incorporating features from the later T-72
Arena (countermeasure)
…devise the Arena active protection system in the early and mid-1990s. An export variant, Arena-E, was also developed. The system has been tested on the T-80UM-1, demonstrated at Omsk in 1997. The Soviet Union developed the first active protection system between 1977 and 1982, named Drozd (Russian: Дрозд). This…
T-80BVM, the latest variant of the T-80.
Soviet T-80 during manoeuvres, March 1986.
This T-80BV has reactive armour adapted to its turret and hull. The later T-80U has a large appliqué of explosive reactive armour installed — providing higher crew and tank survivability than prior models.
Russian T-80U of the 4th Tank Brigade, 2011