The BTR-3E1 is an 8x8 wheeled armored personnel carrier (APC) manufactured by the Ukraine-based Kharkiv Morozov Machine Building Design Bureau. The vehicle is primarily developed for the Armed Forces of Ukraine. The BTR-3E1 is installed with a BM-3 Shturm turret system. The turret is fitted with a ZTM-1 30mm automatic cannon, and carries 350 rounds of ammunition. The ZTM-1 30mm gun can be operated remotely from inside the vehicle to reduce casualty to the troops.The vehicle is armed with a 7.62mm coaxial machine gun with 2,500 rounds of ammunition. The BTR-3E1 turret is also fitted with six 81mm electrically-operated smoke grenade launchers and 30mm auto gr. launcher.