Search Result：guided bomb unit-28
guided bomb unit-28 
(TTS Sound)
(TTS Sound)Overview of noun guided_bomb_unit-28
The noun guided bomb unit-28 has 1 sense
- Bunker Buster, Guided Bomb Unit-28, GBU-28 -- (a 5,000 pound laser-guided bomb that can be programmed to penetrate to a given depth before exploding; used to penetrate hardened underground facilities)