noun
- 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.
- synonyms: Bunker Buster, GBU-28
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). guided bomb unit-28. Retrieved September 24, 2026, from http://smartdefine.org/guided_bomb_unit-28/definitions/1283416 |
| Chicago | WordNet. 2010. "guided bomb unit-28" http://smartdefine.org/guided_bomb_unit-28/definitions/1283416 (accessed September 24, 2026). |
| Harvard | WordNet 2010, guided bomb unit-28, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/guided_bomb_unit-28/definitions/1283416>. |
| MLA | WordNet. "guided bomb unit-28" 23 October 2010. Web. 24 September 2026. <http://smartdefine.org/guided_bomb_unit-28/definitions/1283416> |