The Soviet RPG-22 Netto is a one-shot disposable anti-tank rocket launcher first deployed in 1985, based on the RPG-18 rocket launcher, but firing a larger 72.5 mm fin stabilised projectile. The weapon fires an unguided projectile, can be prepared to fire in around 10 seconds, and can penetrate 400 mm of armour, 1.2 metres of brick or 1 metre of reinforced concrete.