Guided bomb
Bomb controllable from an external device / From Wikipedia, the free encyclopedia
"Smart bomb" redirects here. For other uses, see Smart bomb (disambiguation).
A guided bomb (also known as a smart bomb, guided bomb unit, or GBU) is a precision-guided munition designed to achieve a smaller circular error probable (CEP).[1][2]
The creation of precision-guided munitions resulted in the retroactive renaming of older bombs as unguided bombs or "dumb bombs".