Letters that make GBU-28
b, g, u, 8, 2 are letters that make 'GBU-28'
1 possible definitions for 'GBU-28'
Under this definition, gbu-28 is a noun and has the following properties:
Bunker Buster, Guided Bomb Unit-28 have the same meaning as 'GBU-28'
'GBU-28' can be considered an instance of laser-guided bomb, LGB.