laser-guided bomb

English Thesaurus

1. a smart bomb that seeks the laser light reflected off of the target and uses it to correct its descent (noun.artifact)

hypernym	:	smart bomb,
definition	:	a bomb that can be guided (by a laser beam or radio) to its target (noun.artifact)

instance hyponym	:	bunker buster, gbu-28, guided bomb unit-28,
definition	:	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 (noun.artifact)