Complex sentence: 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 fireing a larger 72.5 mm fin stabilised projectile.
Split into simpler sentences: The Soviet RPG-22 "Netto" is a one-shot disposable anti-tank rocket launcher first deployed in 1985. The RPG-22 is based on the RPG-18 rocket launcher, but fires a larger 72.5 mm fin stabilised projectile.