(*) Explosive ordnance which has been primed, fused, armed or otherwise prepared for action, and which has been fired, dropped, launched, projected, or placed in such a manner as to constitute a hazard to operations, installations, personnel, or material and remains unexploded either by malfunction or design or for any other cause. Also called UXO. See also explosive ordnance. (JP 3-15)
UNEXPLODED EXPLOSIVE ORDNANCE
Meaning of UNEXPLODED EXPLOSIVE ORDNANCE in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012