guided bomb unit-28

1 definition found

guided bomb unit-28 - WordNet (r) 2.1 (2005) :

  Guided Bomb Unit-28
      n 1: 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 [syn: Bunker Buster
           , Guided Bomb Unit-28, GBU-28]