What does RPG mean in military terms?

Answer 1

Unlike what most people think, rpg does not stand for rocket propelled grenade, but instead ruchnoy protivotankovyy granatomyot which is Russian. It translates into hand held anti-tank grenade launcher.

Answer 2

In English, it translates to "rocket propelled grenade." Developed by the USSR and colloquially known as an RPG launcher, it is a shoulder-fired anti-tak weapon that fires rockets equipped with an explosive warhead.